Conway Blennerhassett KC (3 October 1693 – 7 June 1724) was a member of the Irish House of Commons.
Blennerhassett was born at Castle Conway in County Kerry, the eldest son of John 'Black Jack' Blennerhassett and Elizabeth Cross.[1] He was the grandson of Robert Blennerhassett. He was educated at Trinity College, Dublin, before entering Middle Temple in London in 1710. He was a practising lawyer and was invested as a member of the King's Counsel. He served as the Member of Parliament for Tralee from 1723 to 1725.[2]
He married Elizabeth Harman, the daughter of Colonel Wentworth Harman, with whom he had five children. He died prematurely at the age of 30. His grandson was Harman Blennerhassett.[citation needed]