There are 2 titles associated with this person.

Hunter, Maria. Fitzroy; or, impulse of the moment. A novel. In two volumes. By Maria Hunter. ... London: Minerva Press, William Lane, 1792.
Hunter, Maria. Ella; or, he's always in the way. In two volumes. By Maria Hunter, authoress of Fitzroy. London: Minerva Press, William Lane, 1798.