Her father was Antonio Montalvo, and her mother was Maria Petra Salinas. Her father owned Mier 54 grant.
In 1782, she lived in Las Jaras in household number 108. The church census recorded that she was an unmarried girl, española. Her household included 14 people:
Don Antonio Montalvo, married, español.
Maria Petra Salinas, married, española.
Maria del Carmen Montalvo, an unmarried girl, española.
Francisco Ignacio Montalvo, a youth, español.
Maria Josefa Montalvo, an unmarried girl, española.
Maria Cirila Montalvo, an unmarried girl, española.
Maria Teodora Montalvo, an unmarried girl, española.
Jose Antonio Montalvo, a child, español.
Maria Rosa Montalvo, a child, española.
Francisco Antonio Montalvo, a young child, español.
Juana Maria Montalvo, a young child, española, age 4.
Maria Gertrudis Montalvo, a young child, española, age 3.
Maria Antonia Montalvo, a young child, española, age 2.
Joaquin Montalvo, español, age 48.
She died on 11 Dec 1792.