She was born circa 1747. Her father was Francisco de la Garza Falcon, and her mother was Josefa Guajardo. Her father owned Porción 58, Camargo. Her mother owned Porción 73, Camargo. In 1750, she lived in Camargo. The census recorded that she was the daughter of a settler, española, and 3 years old. Her household had 7 people, including one servant, and they received government aid to move to the colony.