Maria Antonia Salinas was baptized on 12 Apr 1771, the daughter of Juan Cristostomo Salinas and Maria Josefa Ramos.
In 1782, she lived in Mier. The church census recorded that she was a child, española, and 11 years old. Her household included 7 people:
Maria Josefa Ramos, española, a widow, age 37.
Jose Gregorio Salinas, español, a youth, age 16.
Maria del Refugio Salinas, española, an unmarried girl, age 14.
Maria Antonia Salinas, española, a child, age 11.
Ysavel Maria Salinas, española, a child, age 9.
Jose Prudencio Salinas, español, a child, age 7.
Maria Teresa Salinas, española, a young child, age 5.