She was born circa 1780. Her father was Juan Manuel Guerra Cañamar, and her mother was Maria Isabel Treviño. In 1782, she lived in Mier in household number 35. The church census recorded that she was a young child, española, and 2 years old. Her household included 6 people. In 1791, she lived in Mier in household number 31. The church census recorded that she was a child, española, and 11 years old. Her household included 12 people.
She married Jose Manuel Guerra, son of Antonio Albino Guerra and Maria Rosalia Salinas.