patroness

A woman who supports, protects, or champions someone or something, such as an institution, event, or cause; a sponsor or benefactor.

A woman who possesses the right to grant an ecclesiastical benefice to a member of the clergy.

A patron saint.

A female patron.

A female patron or helper.

A woman who sponsors or supports a given activity, person etc.; a female patron.

a woman who is a patron or the wife of a patron