List of Famous people with last name Ranelagh

Katherine Jones, Viscountess Ranelagh, also known as Lady Ranelagh, was an Anglo-Irish scientist in seventeenth-century Britain. She was also a political and religious philosopher, and a member of many intellectual circles including the Hartlib Circle, the Great Tew Circle, and the Invisible College. Her correspondents included Samuel Hartlib, Edward Hyde, William Laud, Thomas Hyde, and John Milton. She was the sister of Robert Boyle and is thought to have been a great influence on his work in chemistry. In her own right she was a political and social figure closely connected to the Hartlib Circle. Lady Ranelagh held a London salon during the 1650s, much frequented by virtuosi associated with Hartlib.

Richard Jones, 1st Earl of Ranelagh, known as The Viscount Ranelagh between 1669 and 1677, was an Irish peer, politician both in the Parliaments of England and Ireland.

Sir Roger Jones, 1st Viscount Ranelagh PC (Ire) was joint Lord President of Connaught with Charles Wilmot, 1st Viscount Wilmot. He commanded the forces of the Irish Army in Connaught during the early years of the Irish Confederate Wars and defended Athlone against confederate troops under James Dillon.

Arthur Jones, 2nd Viscount Ranelagh was an Irish peer and politician who sat in both the Irish House of Commons and the English House of Commons.