He owned lands in both Surrey in England, and County Cork, Ireland.
Brodrick was the eldest son of Sir St John Brodrick of Ballyannan, Midleton, County Cork and his wife Alice Clayton, daughter of Laurence Clayton of Mallow, County Cork and his wife Alice Brady daughter of Luke Brady, of Tuamgraney, co. Clare.
[2] He was appointed to the Irish Privy Council in 1695, removed by the Tory administration in 1711 but reappointed in 1714.
[3] [4] Dean Jonathan Swift referred to him in connection with his political activities at least twice in his writings.
[1] Brodrick died on 3 October 1730 at the family estate at Wandsworth, and was buried there.