She was born circa 1761. Her father was Jose Florencio Chapa, and her mother was Margarita de la Peña. Her father owned Mier 45 grant, Mier 46 grant.
She married Jose Antonio Guerra Cañamar, son of Francisco Guerra and Ana Josefa de la Garza on 13 Jan 1776 in Mier. She was 15 years old, and the groom was 18 years old. His father owned Mier 66 grant.
Francisco Cruz Guerra Cañamar, born 1776.
Juan Jose Guerra Cañamar, born 1778.
Jose Santos Guerra Cañamar, born 1781.
In 1782, she lived in Mier in household number 38. The church census recorded that she was married, española, and 21 years old. Her household included 7 people:
Jose Antonio Guerra Cañamar, married, español, age 24.
Maria Luisa Chapa, married, española, age 21.
Francisco Cruz Guerra Cañamar, a young child, español, age 6.
Juan Jose Guerra Cañamar, a young child, español, age 4.
Jose Santos Guerra Cañamar, a young child, español, age 1.
Maria Gertrudis Carmona, single, casta, age 19.
Jose Nemecio Guerra, a child, casta, age 8.