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. His daughters Frances and Maria Henrietta, died unmarried. ==Career==