Denis J. O'Sullivan

Denis James O'Sullivan (5 March 1918 – 20 July 1987) was an Irish Fine Gael politician.^[1] He was first elected to Dáil Éireann at his second attempt at the 1951 general election.^[2] He served as a Fine Gael Teachta Dála (TD) for various Cork constituencies until losing his seat at the 1965 general election. He served in the Second Inter-Party Government of John A. Costello as Government Chief Whip. He was a member of Seanad Éireann from 1965 to 1969.^[1]

Denis J. O'Sullivan
Senator
In office 23 June 1965 – 5 November 1969
Constituency	Industrial and Commercial Panel
Parliamentary Secretary
1954–1957	Government Chief Whip
1954–1957	Defence
Teachta Dála
In office October 1961 – April 1965
Constituency	Cork Mid
In office May 1951 – October 1961
Constituency	Cork North
Personal details
Born	(1918-03-05)5 March 1918 County Cork, Ireland
Died	20 July 1987(1987-07-20) (aged 69) County Cork, Ireland
Political party	Fine Gael