Biography
He was a younger son of Denham Jephson of Mallow Castle and his wife Frances, daughter of Sir John Aubrey, 3rd Baronet. Following the death of his father in 1781, his elder brother Denham nominated him as Member of Parliament for the family borough of Mallow, but he was replaced by Sir James Cotter at the general election in 1783.E. M. Johnston-Liik, ''History of the Irish Parliament 1692–1800'', vol. IV, p. 478.References
1740s births 1794 deaths Politicians from County Cork Irish MPs 1776–1783 Members of the Parliament of Ireland (pre-1801) for County Cork constituencies {{Ireland-pre1801-MP-stub