Sir Maurice Eustace, 1st Baronet
Sir Maurice Eustace, 1st Baronet was an Irish gentleman, the only holder of the Eustace Baronetcy of Castle Martin in County Kildare, which was created for him in the Baronetage of Ireland on 23 December 1685.
Family
The baronet was the son of John Eustace of Castlemartin, of a branch of the old Anglo-Irish family of FitzEustace whose titles included Viscount Baltinglass and Baron Portlester. John Eustace's father Maurice was elder son of William Eustace, whose younger son John was the father of Sir Maurice Eustace, Lord Chancellor of Ireland. The Lord Chancellor's brother William was father of a third Sir Maurice Eustace, who was MP for Knocktopher and for Harristown.The baronet married Margaret, daughter of Brigadier Sir Thomas Newcomen of Sutton, Dublin and his wife Frances, daughter of Sir William Talbot, 1st Baronet. His daughters Frances and Maria Henrietta, died unmarried.