She was born circa 1740. Her father was Domingo Cristobal de Sosa, and her mother was Maria de la Ascencion. Her father owned Porción 41, Camargo. In 1750, she lived in Camargo. The census recorded that she was the daughter of a settler, and 10 years old. Her household had 7 people, and they did not receive government aid to move to the colony.
She married Juan de Dios Morin.