She was born circa 1773. Her father was Marcelino Saenz, and her mother was Margarita Almaraz. Her father owned Mier 25 grant.
In 1782, she lived in San Nicolas/ Santa Rosalia de la Bonita in household number 136. The church census recorded that she was a young child, española, and 9 years old. Her household included 6 people:
Marcelino Saenz, married, español, age 55.
Maria Margarita Almaraz, married, española, age 46.
Juan Jose Saenz, a youth, español, age 16.
Jose Martin Saenz, a child, español, age 13.
Jose Felipe Saenz, a child, español, age 12.
Maria Gertrudis Saenz, a young child, española, age 9.