She was born circa 1763. Her father was Bernardo Vela, and her mother was Maria Josefa Peña. Her father owned Mier 47 grant.
She married Jose Vicente Lopez, son of Juan Jose Lopez and Maria Ignacia Longoria on 13 Nov 1784 in Mier. She was 21 years old, and the groom was 24 years old. Their padrino was Jose Maria Escobar, and their madrina was Maria Ignacia Chapa (sister in law).
In 1782, she lived in Mier in household number 51. The church census recorded that she was an unmarried girl, española, and 19 years old. Her household included 7 people:
Maria Josefa Peña, a widow, age 49.
Juan de Dios Vela, single, age 26.
Gertrudis Vela, an unmarried girl, española, age 19.
Maria Teresa Vela, an unmarried girl, española, age 21.
Felipe Vela, a youth, español, age 19.
Apolinaro Vela, a youth, español, age 17.
Maria Francisca Casilda Vela, a child, española, age 8.