|Born||September 1944(age 69)|
|Political party||Labour Party|
|Democratic Socialist Party
|Alma mater||University College Dublin|
Conaghan is originally from County Donegal. He lives in Ballyfermot, Dublin and is married with two children. Conaghan is a teacher by profession and was vice-principal of Inchicore College of Further Education.
Originally a member of Jim Kemmy's Democratic Socialist Party he contested a number of elections for them in the 1980s. When the party merged with Labour in 1991 he was elected to Dublin City Council representing the Ballyfermot local electoral area. He was Lord Mayor of Dublin from 2004 to 2005.
|Lord Mayor of Dublin
|Labour Party Teachta Dála for Dublin South–Central