Defnyddiwr:Paul-L/Aelodau Cynulliad ac Aelodau Seneddol/Tad neu Mam y Cynulliad

Of the orignal 60 ACau that made up the first Assembly meeting in May 1999, 20 have served there continously, as of May 2011 (there have been no changes in Assembly composition since the election of May 2011):

• Peter Black
• Rosemary Butler
• Christine Chapman
• Jocelyn Davies
• Dafydd Elis-Thomas
• William Graham
• Janice Gregory
• John Griffiths
• Edwina Hart
• Jane Hutt
• Ann Jones
• Carwyn Jones
• Elin Jones
• Ieuan Wyn Jones
• Huw Lewis
• David Melding
• Lynne Neagle
• Gwenda Thomas
• Rhodri Glyn Thomas
• Kirsty Williams

When this list is reduced to 1, that person will become Tad/Mam y Cynulliad, starting from the date they became the last remaining original AC.

(Note: In addition, Gareth Jones served in the first assembly, and is currently serving, but was not in the assembly between 2003 and 2007.)