Denis J. O'Sullivan


Denis J. O'Sullivan was an Irish Fine Gael politician. He was first elected to Dáil Éireann at his second attempt at the 1951 general election. He served as a Fine Gael Teachta Dála 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.