Margarita de la Garza (Montemayor) was the daughter of Miguel de la Garza Falcon and Clara de (Villarreal) Renteria.
She requested a dispensation to marry Miguel de Ochoa in 1702. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.276.
She requested a dispensation to marry Juan Caballero de los Olivos in 1733. Dispensation source: Guerra et al., Index to the Marriage Investigations of the Diocese of Guadalajara, p.262.