She was born circa 1753. Her father was Bernardo Vela, and her mother was Maria Josefa Peña. Her father owned Mier 47 grant.
She married Jose Antonio Bazan, son of Jose Bazan and Ana Maria Salinas in 1770 in Mier. She was 17 years old, and the groom was 23 years old. His father owned Mier 40 grant.
In 1782, she lived in Mier in household number 52. The church census recorded that she was married, española. Her household included 5 people:
Jose Antonio Bazan, married, casta.
Maria Antonia Margarita Vela, married, española.
Jose Novento Bazan, married, español.
Maria Tomasa Bazan, a child, española.
Jose Angel Bazan, a young child, español.