Mary FitzGerald Peerage person ID=299574 (d. 1678) Parents Ellen FitzGibbon Katherine Power Sir John FitzGerald Sir John Fitzgerald Children Elizabeth de Courcy Alice de Courcy John de Courcy, 21st Baron Kingsale unknown son Courcy unknown son Courcy Margaret de Courcy Miles de Courcy Siblings John FtitzGerald Helen FitzGerald Ellice Fitzgerald Richard FitzGerald Katherine FitzGerald, Viscountess Grandison Partners Patrick de Courcy, 20th Baron Kingsale