Rhestr o Siroedd Nebraska

Oddi ar Wicipedia

Nebraska[golygu | golygu cod]

Siroedd Nebraska

Dyma restr o'r 93 rhanbarth gweinyddol sy'n cael eu hadnabod wrth yr enw County yn Nhalaith Nebraska yn yr Unol Daleithiau, yn nhrefn yr wyddor:[1]

Rhestr[golygu | golygu cod]

FIPS[golygu | golygu cod]

Mae'r cod Safon Prosesu Gwybodaeth Ffederal (FIPS), a ddefnyddir gan lywodraeth yr Unol Daleithiau i roi cod hunaniaeth unigryw i daleithiau a siroedd y wlad, yn cael ei ddarparu gyda phob cofnod yn y tabl. Cod Nebraska yw 31, a fyddai, o'i gyfuno ag unrhyw god sirol, yn cael ei ysgrifennu fel 31XXX. Mae'r cod FIPS ar gyfer pob sir yn cysylltu â data cyfrifiad ar gyfer y sir honno. [2]

Sir
 Cod FIPS [3] Sedd sirol[4] sefydlu[4] Tarddiad Etymoleg Rhagddodiad plât trwydded
[5] 		Poblogaeth[4] Maint[4] Map
Adams County 001 Hastings 1867 Tiriogaeth heb ei threfnu John Adams, ail Arlywydd yr Unol Daleithiau 14 700431610000000000031,610 7002563000000000000563 sq mi
(70031458000000000001,458 km2)		 State map highlighting Adams County
Antelope County 003 Neligh 1871 Tiriogaeth heb ei threfnu Pronghorn, carw Americanaidd a elwir yn aml yn antelop 26 70036456000000000006,456 7002857000000000000857 sq mi
(70032220000000000002,220 km2)		 State map highlighting Antelope County
Arthur County 005 Arthur 1913 Tiriogaeth heb ei threfnu Chester A. Arthur, 21ain arlywydd yr Unol Daleithiau 91 7002458000000000000458 7002715000000000000715 sq mi
(70031852000000000001,852 km2)		 State map highlighting Arthur County
Banner County 007 Harrisburg 1888 Ffurfiwyd allan o Cheyenne County Nod ymsefydlwyr cynnar o'i gwneud yn "sir faner" (sir fwyaf nodweddiadol) y dalaith 85 7002759000000000000759 7002746000000000000746 sq mi
(70031932000000000001,932 km2)		 State map highlighting Banner County
Blaine County 009 Brewster 1885 Tiriogaeth heb ei threfnu James G. Blaine, gwleidydd cenedlaetholn 86 7002482000000000000482 7002711000000000000711 sq mi
(70031841000000000001,841 km2)		 State map highlighting Blaine County
Boone County 011 Albion 1871 Tiriogaeth heb ei threfnu Daniel Boone, arloeswr a thrapiwr Americanaidd 23 70035388000000000005,388 7002687000000000000687 sq mi
(70031779000000000001,779 km2)		 State map highlighting Boone County
Box Butte County 013 Alliance 1887 Ffurfiwyd allan o Dawes County Y gair Saesneg butte (bryn efo ochrau serth, bron yn fertigol) a bryn siâp bocs o’r fath i'r gogledd o Alliance 65 700411305000000000011,305 70031075000000000001,075 sq mi
(70032784000000000002,784 km2)		 State map highlighting Box Butte County
Boyd County 015 Butte 1891 Holt County a Thiriogaeth heb ei threfnu (Tiriogaeth Indiaid) James E. Boyd, wythfed llywodraethwr Nebraska 63 70032032000000000002,032 7002540000000000000540 sq mi
(70031399000000000001,399 km2)		 State map highlighting Boyd County
Brown County 017 Ainsworth 1883 Tiriogaeth heb ei threfnu Y Teulu Brown, ymsefydlwyr cynnar 75 70032926000000000002,926 70031221000000000001,221 sq mi
(70033162000000000003,162 km2)		 State map highlighting Brown County
Buffalo County 019 Kearney 1855 Tiriogaeth heb ei threfnu Y Bison Americanaidd 9 700447893000000000047,893 7002968000000000000968 sq mi
(70032507000000000002,507 km2)		 State map highlighting Buffalo County
Burt County 021 Tekamah 1854 Un o'r naw sir wreiddiol Francis Burt, y llywodraethwr tiriogaethol cyntaf 31 70036574000000000006,574 7002493000000000000493 sq mi
(70031277000000000001,277 km2)		 State map highlighting Burt County
Butler County 023 David City 1856 Ffurfiwyd allan o Greene County William O. Butler, aelod o Gyngres yr Unol Daleithiau ac arweinydd milwrol 25 70038312000000000008,312 7002584000000000000584 sq mi
(70031513000000000001,513 km2)		 State map highlighting Butler County
Cass County 025 Plattsmouth 1854 Un o'r naw sir wreiddiol Lewis Cass, gweinyddwr tiriogaethol 20 700425357000000000025,357 7002559000000000000559 sq mi
(70031448000000000001,448 km2)		 State map highlighting Cass County
Cedar County 027 Hartington 1857 Ffurfiwyd allan o Dixon and Pierce Counties Y gedrwydden goch ddwyreiniol (Juniperus virginiana)[6] 13 70038711000000000008,711 7002740000000000000740 sq mi
(70031917000000000001,917 km2)		 State map highlighting Cedar County
Chase County 029 Imperial 1873 Tiriogaeth heb ei threfnu Champion S. Chase, twrnai cyffredinol cyntaf Nebraska 72 70034000000000000004,000 7002894000000000000894 sq mi
(70032315000000000002,315 km2)		 State map highlighting Chase County
Cherry County 031 Valentine 1883 Tiriogaeth heb ei threfnu Samuel A. Cherry, is-gapten y fyddin a laddwyd yn Rhyfeloedd yr Indiaid Cochion 66 70035788000000000005,788 70035961000000000005,961 sq mi
(700415439000000000015,439 km2)		 State map highlighting Cherry County
Cheyenne County 033 Sidney 1867 Tiriogaeth heb ei threfnu Ar ôl llwyth y Cheyenne 39 700410091000000000010,091 70031196000000000001,196 sq mi
(70033098000000000003,098 km2)		 State map highlighting Cheyenne County
Clay County 035 Clay Center 1855 Ffurfiwyd allan o diriogaeth heb ei threfnu Henry Clay, gwleidydd genedlaethol 30 70036392000000000006,392 7002573000000000000573 sq mi
(70031484000000000001,484 km2)		 State map highlighting Clay County
Colfax County 037 Schuyler 1869 Ffurfiwyd allan o Platte County Schuyler Colfax, Is-lywydd yr Unol Daleithiau 43 700410425000000000010,425 7002413000000000000413 sq mi
(70031070000000000001,070 km2)		 State map highlighting Colfax County
Cuming County 039 West Point 1855 Ffurfiwyd allan o Burt County Thomas B. Cuming, yr ysgrifennydd tiriogaethol cyntaf 24 70038996000000000008,996 7002572000000000000572 sq mi
(70031481000000000001,481 km2)		 State map highlighting Cuming County
Custer County 041 Broken Bow 1877 Tiriogaeth heb ei threfnu George Armstrong Custer, cadfridog ym Myddin yr Unol Daleithiau 4 700410792000000000010,792 70032576000000000002,576 sq mi
(70036672000000000006,672 km2)		 State map highlighting Custer County
Dakota County 043 Dakota City 1855 Ffurfiwyd allan o Burt County cangen Lakota o lwyth y Sioux 70 700420947000000000020,947 7002264000000000000264 sq mi
(7002684000000000000684 km2)		 State map highlighting Dakota County
Dawes County 045 Chadron 1885 Ffurfiwyd allan o Sioux County James W. Dawes, chweched llywodraethwr Nebraska 69 70039088000000000009,088 70031396000000000001,396 sq mi
(70033616000000000003,616 km2)		 State map highlighting Dawes County
Dawson County 047 Lexington 1860 Tiriogaeth heb ei threfnu Jacob Dawson, postfeistr cyntaf Lincoln, Nebraska 18 700424207000000000024,207 70031013000000000001,013 sq mi
(70032624000000000002,624 km2)		 State map highlighting Dawson County
Deuel County 049 Chappell 1888 Ffurfiwyd allan o Cheyenne County Y teulu Deuel, ymsefydlwyr cynnar 78 70031937000000000001,937 7002440000000000000440 sq mi
(70031140000000000001,140 km2)		 State map highlighting Deuel County
Dixon County 051 Ponca 1856 Ffurfiwyd allan o Blackbird County, Izard County, a thiriogaeth heb ei threfnu Y teulu Dixon, ymsefydlwyr cynnar 35 70035851000000000005,851 7002476000000000000476 sq mi
(70031233000000000001,233 km2)		 State map highlighting Dixon County
Dodge County 053 Fremont 1854 Un o'r naw sir wreiddiol Augustus Caesar Dodge, Seneddwr yr Unol Daleithiau a gefnogodd Ddeddf Kansas-Nebraska 5 700436515000000000036,515 7002534000000000000534 sq mi
(70031383000000000001,383 km2)		 State map highlighting Dodge County
Douglas County 055 Omaha 1854 Un o'r naw sir wreiddiol Stephen Arnold Douglas, gwleidydd cenedlaethol 1 7005537256000000000537,256 7002331000000000000331 sq mi
(7002857000000000000857 km2)		 State map highlighting Douglas County
Dundy County 057 Benkelman 1873 Tiriogaeth heb ei threfnu Elmer Scipio Dundy, barnwr Llys Cylchdaith yr Unol Daleithiau 76 70031981000000000001,981 7002920000000000000920 sq mi
(70032383000000000002,383 km2)		 State map highlighting Dundy County
Fillmore County 059 Geneva 1856 Ffurfiwyd allan o Jackson County a thiriogaeth heb ei threfnu Millard Fillmore, 13eg Arlywydd yr Unol Daleithiau 34 70035698000000000005,698 7002576000000000000576 sq mi
(70031492000000000001,492 km2)		 State map highlighting Fillmore County
Franklin County 061 Franklin 1867 Ffurfiwyd allan o Kearney County Benjamin Franklin, un o dadau'r genedl 50 70033085000000000003,085 7002576000000000000576 sq mi
(70031492000000000001,492 km2)		 State map highlighting Franklin County
Frontier County 063 Stockville 1872 Tiriogaeth heb ei threfnu Lleoliad 60 70032709000000000002,709 7002975000000000000975 sq mi
(70032525000000000002,525 km2)		 State map highlighting Frontier County
Furnas County 065 Beaver City 1873 Tiriogaeth heb ei threfnu Robert Wilkinson Furnas, trydydd llywodraethwr Nebraska 38 70034865000000000004,865 7002718000000000000718 sq mi
(70031860000000000001,860 km2)		 State map highlighting Furnas County
Gage County 067 Beatrice 1855 Tiriogaeth heb ei threfnu William D. Gage, caplan deddfwrfa'r dalaith 3 700421864000000000021,864 7002855000000000000855 sq mi
(70032214000000000002,214 km2)		 State map highlighting Gage County
Garden County 069 Oshkosh 1910 Ffurfiwyd allan o Deuel County Gobeithion ymsefydlwyr cynnar iddo ddod yn "ardd y gorllewin" 77 70031902000000000001,902 70031705000000000001,705 sq mi
(70034416000000000004,416 km2)		 State map highlighting Garden County
Garfield County 071 Burwell 1884 Ffurfiwyd allan o Wheeler County James Abram Garfield, 20fed Arlywydd yr Unol Daleithiau 83 70032035000000000002,035 7002570000000000000570 sq mi
(70031476000000000001,476 km2)		 State map highlighting Garfield County
Gosper County 073 Elwood 1873 Tiriogaeth heb ei threfnu John J. Gosper, ysgrifennydd gwladol Nebraska ar adeg ei chreu 73 70031972000000000001,972 7002458000000000000458 sq mi
(70031186000000000001,186 km2)		 State map highlighting Gosper County
Grant County 075 Hyannis 1887 Tiriogaeth heb ei threfnu Ulysses S. Grant, 18fed Arlywydd yr Unol Daleithiau 92 7002633000000000000633 7002776000000000000776 sq mi
(70032010000000000002,010 km2)		 State map highlighting Grant County
Greeley County 077 Greeley 1871 Tiriogaeth heb ei threfnu Horace Greeley, newyddiadurwr 62 70032494000000000002,494 7002570000000000000570 sq mi
(70031476000000000001,476 km2)		 State map highlighting Greeley County
Hall County 079 Grand Island 1858 Tiriogaeth heb ei threfnu Augustus Hall, prif ynad y Goruchaf Lys Tiriogaethol ar adeg ei chreu 8 700460720000000000060,720 7002546000000000000546 sq mi
(70031414000000000001,414 km2)		 State map highlighting Hall County
Hamilton County 081 Aurora 1867 Tiriogaeth heb ei threfnu Alexander Hamilton, y cyntaf i ddal swydd Ysgrifennydd Trysorlys yr Unol Daleithiau 28 70039112000000000009,112 7002544000000000000544 sq mi
(70031409000000000001,409 km2)		 State map highlighting Hamilton County
Harlan County 083 Alma 1871 Ffurfiwyd allan o Kearney County Ansicr; naill ai James Harlan, gwleidydd cenedlaethol, neu gasglwr refeniw lleol 51 70033513000000000003,513 7002553000000000000553 sq mi
(70031432000000000001,432 km2)		 State map highlighting Harlan County
Hayes County 085 Hayes Center 1877 Tiriogaeth heb ei threfnu Rutherford B. Hayes, 19eg Arlywydd yr Unol Daleithiau 79 7002976000000000000976 7002713000000000000713 sq mi
(70031847000000000001,847 km2)		 State map highlighting Hayes County
Hitchcock County 087 Trenton 1873 Tiriogaeth heb ei threfnu Phineas Warren Hitchcock, Seneddwr Nebraska 67 70032872000000000002,872 7002710000000000000710 sq mi
(70031839000000000001,839 km2)		 State map highlighting Hitchcock County
Holt County 089 O'Neill 1860 Tiriogaeth heb ei threfnu Joseph Holt, Postfeistr Cyffredinol ac Ysgrifennydd Rhyfel yr Unol Daleithiau 36 700410449000000000010,449 70032413000000000002,413 sq mi
(70036250000000000006,250 km2)		 State map highlighting Holt County
Hooker County 091 Mullen 1889 Tiriogaeth heb ei threfnu Joseph Hooker, cadfridog ym Myddin yr Unol Daleithiau 93 7002738000000000000738 7002721000000000000721 sq mi
(70031867000000000001,867 km2)		 State map highlighting Hooker County
Howard County 093 Saint Paul 1871 Ffurfiwyd allan o Hall County Oliver O. Howard, cadfridog ym Myddin yr Unol Daleithiau 49 70036355000000000006,355 7002570000000000000570 sq mi
(70031476000000000001,476 km2)		 State map highlighting Howard County
Jefferson County 095 Fairbury 1856 Tiriogaeth heb ei threfnu Thomas Jefferson, 3ydd Arlywydd yr Unol Daleithiau a gŵr a'i wreiddiau yn Eryri 33 70037560000000000007,560 7002573000000000000573 sq mi
(70031484000000000001,484 km2)		 State map highlighting Jefferson County
Johnson County 097 Tecumseh 1857 Ffurfiwyd allan o Nemaha County ac Otoe County Richard Mentor Johnson, 9fed is-arlywydd yr Unol Daleithiau 57 70035144000000000005,144 7002376000000000000376 sq mi
(7002974000000000000974 km2)		 State map highlighting Johnson County
Kearney County 099 Minden 1860 Tiriogaeth heb ei threfnu Ar ôl Fort Kearny, (gyda chamsillafiad) 52 70036548000000000006,548 7002516000000000000516 sq mi
(70031336000000000001,336 km2)		 State map highlighting Kearney County
Keith County 101 Ogallala 1873 Tiriogaeth heb ei threfnu M.C. Keith, ranshwr gyda thiroedd lawer 68 70038130000000000008,130 70031061000000000001,061 sq mi
(70032748000000000002,748 km2)		 State map highlighting Keith County
Keya Paha County 103 Springview 1884 Ffurfiwyd allan o Brown County a thiroedd brodorol heb eu trefnu Iaith llwyth Lakota Ké-ya Pa-há Wa-kpá (afon bryn crwban) 82 7002790000000000000790 7002773000000000000773 sq mi
(70032002000000000002,002 km2)		 State map highlighting Keya Paha County
Kimball County 105 Kimball 1888 Ffurfiwyd allan o Cheyenne County Thomas L. Kimball, swyddog gyda chwmni Union Pacific Railroad 71 70033702000000000003,702 7002952000000000000952 sq mi
(70032466000000000002,466 km2)		 State map highlighting Kimball County
Knox County 107 Center 1857 Ffurfiwyd allan o Pierce County a thiriogaeth heb ei threfnu (Cyn enwau-L'Eau Qui Court (1857-1867) ac Emmet (1867-1873)) Henry Knox, Ysgrifennydd Rhyfel cyntaf yr Unol Daleithiau 12 70038565000000000008,565 70031108000000000001,108 sq mi
(70032870000000000002,870 km2)		 State map highlighting Knox County
Lancaster County 109 Lincoln 1855 Ffurfiwyd allan o Cass County a Pierce County Lancaster, Pennsylvania a Chaerhirfryn, Lloegr 2 7005297036000000000297,036 7002839000000000000839 sq mi
(70032173000000000002,173 km2)		 State map highlighting Lancaster County
Lincoln County 111 North Platte 1860 Tiriogaeth heb ei threfnu Abraham Lincoln, 16eg Arlywydd yr Unol Daleithiau 15 700436051000000000036,051 70032564000000000002,564 sq mi
(70036641000000000006,641 km2)		 State map highlighting Lincoln County
Logan County 113 Stapleton 1885 Tiriogaeth heb ei threfnu John A. Logan, cadfridog ym Myddin yr Unol Daleithiau 87 7002763000000000000763 7002571000000000000571 sq mi
(70031479000000000001,479 km2)		 State map highlighting Logan County
Loup County 115 Taylor 1883 Tiriogaeth heb ei threfnu Afon Loup (Loup yw'r Ffrangeg am flaidd) 88 7002576000000000000576 7002570000000000000570 sq mi
(70031476000000000001,476 km2)		 State map highlighting Loup County
Madison County 119 Madison 1856 Ffurfiwyd allan o Loup County, McNeale County a thiriogaeth heb ei threfnu Naill ai James Madison, 4ydd Arlywydd yr Unol Daleithiau, neu sefydlwyr a symudodd i'r ardal o Madison, Wisconsin 7 700435278000000000035,278 7002573000000000000573 sq mi
(70031484000000000001,484 km2)		 State map highlighting Madison County
McPherson County 117 Tryon 1887 Tiriogaeth heb ei threfnu James B. McPherson, Cadfridog ym myddin yr UD 90 7002526000000000000526 7002859000000000000859 sq mi
(70032225000000000002,225 km2)		 State map highlighting McPherson County
Merrick County 121 Central City 1858 Ffurfiwyd allan o Polk County a thiriogaeth heb ei threfnu Elvira Merrick, gwraig y deddfwr Henry W. DePuy 46 70037802000000000007,802 7002485000000000000485 sq mi
(70031256000000000001,256 km2)		 State map highlighting Merrick County
Morrill County 123 Bridgeport 1908 Ffurfiwyd allan o Cheyenne County Charles Henry Morrill, Llywydd y Lincoln Land Company 64 70034908000000000004,908 70031424000000000001,424 sq mi
(70033688000000000003,688 km2)		 State map highlighting Morrill County
Nance County 125 Fullerton 1879 Ffurfiwyd allan o diriogaeth neilltuedig llwyth y Pawnee [Albinus Nance, pedwerydd llywodraethwr Nebraska 58 70033623000000000003,623 7002441000000000000441 sq mi
(70031142000000000001,142 km2)		 State map highlighting Nance County
Nemaha County 127 Auburn 1854 Un o'r naw sir wreiddiol Nimaha, enw ar nant lleol, wedi ei enwi o'r term yn iaith llwyth yr Otoe am ddŵr lleidiog 44 70037157000000000007,157 7002409000000000000409 sq mi
(70031059000000000001,059 km2)		 State map highlighting Nemaha County
Nuckolls County 129 Nelson 1860 Tiriogaeth heb ei threfnu Lafayette Nuckolls, aelod o ddeddfwrfa diriogaethol gyntaf Nebraska; a'i frawd, Stephen Nuckolls, arloesol busnes a bancwr yn Nebraska 42 70034413000000000004,413 7002575000000000000575 sq mi
(70031489000000000001,489 km2)		 State map highlighting Nuckolls County
Otoe County 131 Nebraska City 1854 Un o'r naw sir wreiddiol Ar ôl llwyth brodorol yr Otoe 11 700415752000000000015,752 7002616000000000000616 sq mi
(70031595000000000001,595 km2)		 State map highlighting Otoe County
Pawnee County 133 Pawnee City 1855 Ffurfiwyd allan o Richardson County Ar ôl llwyth brodorol y Pawnee 54 70032709000000000002,709 7002432000000000000432 sq mi
(70031119000000000001,119 km2)		 State map highlighting Pawnee County
Perkins County 135 Grant 1887 Ffurfiwyd allan o Keith County Charles E. Perkins, llywydd cwmni rheilffordd Chicago, Burlington and Quincy Railroad 74 70032921000000000002,921 7002883000000000000883 sq mi
(70032287000000000002,287 km2)		 State map highlighting Perkins County
Phelps County 137 Holdrege 1873 Ffurfiwyd allan o Kearney County William Phelps, sefydlwr cynnar [6] 37 70039213000000000009,213 7002540000000000000540 sq mi
(70031399000000000001,399 km2)		 State map highlighting Phelps County
Pierce County 139 Pierce 1856 Ffurfiwyd allan o Izard County, McNeale County, a thiriogaeth heb ei threfnu Franklin Pierce, 14eg Arlywydd yr Unol Daleithiau 40 70037510000000000007,510 7002574000000000000574 sq mi
(70031487000000000001,487 km2)		 State map highlighting Pierce County
Platte County 141 Columbus 1856 Ffurfiwyd allan o Greene and Loup Counties Afon Platte (Platte yw'r gair Ffrengig am wastad) 10 700432505000000000032,505 7002678000000000000678 sq mi
(70031756000000000001,756 km2)		 State map highlighting Platte County
Polk County 143 Osceola 1856 Ffurfiwyd allan o York County a thiriogaeth heb ei threfnu James Knox Polk, 11eg Arlywydd yr Unol Daleithiau 41 70035275000000000005,275 7002439000000000000439 sq mi
(70031137000000000001,137 km2)		 State map highlighting Polk County
Red Willow County 145 McCook 1873 Tiriogaeth heb ei threfnu Red Willow Creek, afon sy'n rhedeg trwy'r sir 48 700411006000000000011,006 7002717000000000000717 sq mi
(70031857000000000001,857 km2)		 State map highlighting Red Willow County
Richardson County 147 Falls City 1854 Un o'r naw sir wreiddiol William A. Richardson, un o lywodraethwyr tiriogaeth Nebraska 19 70038125000000000008,125 7002554000000000000554 sq mi
(70031435000000000001,435 km2)		 State map highlighting Richardson County
Rock County 149 Bassett 1885 Ffurfiwyd allan o Brown County Naill ai Rock Creek, afon sy'n rhedeg trwy'r sir; neu natur greigiog y dirwedd 81 70031411000000000001,411 70031008000000000001,008 sq mi
(70032611000000000002,611 km2)		 State map highlighting Rock County
Saline County 151 Wilber 1867 Tiriogaeth heb ei threfnu Wedi'i enwi am gred a oedd gan yr arloeswyr cynnar gallasai bod ffynhonnau a dyddodion halen bod yn yr ardal, gobaith ofer 22 700414416000000000014,416 7002575000000000000575 sq mi
(70031489000000000001,489 km2)		 State map highlighting Saline County
Sarpy County 153 Papillion 1857 Ffurfiwyd allan o Cass County a Douglas County Peter A. Sarpy, perchennog canolfan masnachu yn y tir cyn iddi ddod yn sir 59 7005169331000000000169,331 7002241000000000000241 sq mi
(7002624000000000000624 km2)		 State map highlighting Sarpy County
Saunders County 155 Wahoo 1856 Ffurfiwyd allan o Douglas County a Lancaster County Alvin Saunders, un o lywodraethwr Tiriogaeth Nebraska 6 700420929000000000020,929 7002754000000000000754 sq mi
(70031953000000000001,953 km2)		 State map highlighting Saunders County
Scotts Bluff County 157 Gering 1888 Ffurfiwyd allan o Cheyenne County O'r gair Saesneg bluff (math o glogwyn llydan, crwn sy'n ffurfio ar lan afon). Mae Scott's Bluffs wedi'u henwi ar ôl Hiram Scott, trapiwr ffwr yr honnir iddo ymlusgo 75 milltir gyda choes wedi torri cyn cwympo'n farw wrth droed y clogwyn. 21 700436848000000000036,848 7002739000000000000739 sq mi
(70031914000000000001,914 km2)		 State map highlighting Scotts Bluff County
Seward County 159 Seward 1855 Ffurfiwyd allan o Cass County a Pierce County William Henry Seward, Ysgrifennydd Gwladol yr UD yn ystod y 1860au 16 700417089000000000017,089 7002575000000000000575 sq mi
(70031489000000000001,489 km2)		 State map highlighting Seward County
Sheridan County 161 Rushville 1885 Ffurfiwyd allan o Sioux County Philip Henry Sheridan, cadfridog yn Rhyfel Cartref America 61 70035251000000000005,251 70032441000000000002,441 sq mi
(70036322000000000006,322 km2)		 State map highlighting Sheridan County
Sherman County 163 Loup City 1871 Ffurfiwyd allan o Buffalo County a thiriogaeth heb ei threfnu William Tecumseh Sherman, cadfridog yn Rhyfel Cartref America 56 70033106000000000003,106 7002566000000000000566 sq mi
(70031466000000000001,466 km2)		 State map highlighting Sherman County
Sioux County 165 Harrison 1877 Tiriogaeth heb ei threfnu Ar ôl y Sioux llwyth brodorol 80 70031475000000000001,475 70031313000000000001,313 sq mi
(70033401000000000003,401 km2)		 State map highlighting Sioux County
Stanton County 167 Stanton 1855 Ffurfiwyd allan o Burt County Edwin M. Stanton, Ysgrifennydd Rhyfel yr Unol Daleithiau yn ystod y rhan fwyaf o Ryfel Cartref America 53 70036133000000000006,133 7002430000000000000430 sq mi
(70031114000000000001,114 km2)		 State map highlighting Stanton County
Thayer County 169 Hebron 1871 Ffurfiwyd allan o Jefferson County John Milton Thayer, seithfed llywodraethwr Nebraska 32 70035189000000000005,189 7002575000000000000575 sq mi
(70031489000000000001,489 km2)		 State map highlighting Thayer County
Thomas County 171 Thedford 1887 Tiriogaeth heb ei threfnu George Henry Thomas, cadfridog yn Rhyfel Cartref America 89 7002699000000000000699 7002713000000000000713 sq mi
(70031847000000000001,847 km2)		 State map highlighting Thomas County
Thurston County 173 Pender 1889 Ffurfiwyd allan o Blackbird County thiroedd neilltuedig llwyth yr Omaha John Mellen Thurston, seneddwr o Nebraska 55 70036895000000000006,895 7002394000000000000394 sq mi
(70031020000000000001,020 km2)		 State map highlighting Thurston County
Valley County 175 Ord 1871 Tiriogaeth heb ei threfnu O'r gair Saesneg valley (dyffryn), wedi'i enwi gan fod lawer o ddyffrynnoedd yn y sir 47 70034193000000000004,193 7002568000000000000568 sq mi
(70031471000000000001,471 km2)		 State map highlighting Valley County
Washington County 177 Blair 1854 Un o'r naw sir wreiddiol George Washington, Arlywydd cyntaf yr Unol Daleithiau 29 700420223000000000020,223 7002390000000000000390 sq mi
(70031010000000000001,010 km2)		 State map highlighting Washington County
Wayne County 179 Wayne 1867 Tiriogaeth heb ei threfnu Anthony Wayne, cadfridog yn Rhyfel Cartref America 27 70039411000000000009,411 7002444000000000000444 sq mi
(70031150000000000001,150 km2)		 State map highlighting Wayne County
Webster County 181 Red Cloud 1867 Tiriogaeth heb ei threfnu Daniel Webster, gwladweinydd a Seneddwr yr Unol Daleithiau o Massachusetts 45 70033688000000000003,688 7002575000000000000575 sq mi
(70031489000000000001,489 km2)		 State map highlighting Webster County
Wheeler County 183 Bartlett 1877 Tiriogaeth heb ei threfnu Daniel H. Wheeler, a secretary of the Nebraska State Board of Agriculture 84 7002759000000000000759 7002575000000000000575 sq mi
(70031489000000000001,489 km2)		 State map highlighting Wheeler County
York County 185 York 1855 Ffurfiwyd allan o Cass County, Pierce County, a thiriogaeth heb ei threfnu Wedi ei enwi naill ai ar ôl Efrog, Lloegr, neu York County, Pennsylvania 17 700413883000000000013,883 7002576000000000000576 sq mi
(70031492000000000001,492 km2)		 State map highlighting York County

Cyn Siroedd[golygu | golygu cod]

  • Clay (1855-1864) Ffurfiwyd allan o diriogaeth heb ei threfnu a'i amsugno i siroedd Gage a Lancaster County.
  • Jackson (1855-1856) Ffurfiwyd allan o diriogaeth heb ei threfnu a'i amsugno i Fillmore County and Tiriogaeth heb ei threfnu
  • Johnson (1855-1856) Ffurfiwyd allan o diriogaeth heb ei threfnu a'i amsugno i diriogaeth heb ei threfnu
  • Blackbird (1855-1888) Ffurfiwyd allan o Burt County a'i amsugno i Thurston County
  • Loup (1855-1856) Ffurfiwyd allan o Burt a thiriogaeth heb ei threfnu a'i amsugno i siroedd Madison, Monroe a Platte
  • Jones (1856-1866) Ffurfiwyd allan o diriogaeth heb ei threfnu a'i amsugno i Jefferson County.
  • Mae Grant, Harrison, Jackson, Lynn, Monroe a Taylor yn cael eu rhestru ym 1870
  • West (1860-1862) Ffurfiwyd allan o diriogaeth heb ei threfnu a'i amsugno i Holt County

Map dwysedd poblogaeth[golygu | golygu cod]

Mae lliwiau gwahanol yn dynodi dwysedd trymach.

Cyfeiriadau[golygu | golygu cod]

  1. ↑ "How Many Counties are in Your State?". web.archive.org. 2009-04-22. Archifwyd o'r gwreiddiol ar 2009-04-22. Cyrchwyd 2020-04-21.CS1 maint: BOT: original-url status unknown (link)
  2. ↑ "FIPS 6-4 - County Names and Codes of the US". web.archive.org. 2013-09-29. Archifwyd o'r gwreiddiol ar 2013-09-29. Cyrchwyd 2020-04-24.CS1 maint: BOT: original-url status unknown (link)
  3. ↑ "EPA County FIPS Code Listing". EPA.gov. Cyrchwyd 2008-05-04.
  4. ↑ 4.0 4.1 4.2 4.3 National Association of Counties. "NACo County Explorer". Cyrchwyd 2015-10-25.
  5. ↑ Mae dilyniant rhagddodiad plât trwydded yn deillio o nifer y cerbydau a gofrestrwyd ym mhob sir ym 1922.
  6. ↑ 6.0 6.1 Fitzpatrick, Lilian Linder (1925). "Nebraska Place-Names". University of Nebraska Department of English. Retrieved 2010-09-02.
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