Matron

a married woman, esp. one who is mature and staid or dignified and has an established social position.

a woman who has charge of the domestic affairs of a hospital, prison, or other institution.

a woman serving as a guard, warden, or attendant for women or girls, as in a prison.

noun

patron

noun

administrator , biddy , dame , dowager , grande dame , housekeeper , housemother , lady , matriarch , mother , superintendent , wife , female , overseer , widow