Apolinaro Vela was baptized on 16 Jul 1769, the son of Bernardo Vela and Maria Josefa Peña.
In 1782, he lived in Mier. The church census recorded that he was a youth, español, and 17 years old. His household included 7 people:
Maria Josefa Peña , a widow, age 49.
Juan de Dios Vela , single, age 26.
Gertrudis Vela, española, an unmarried girl, age 19.
Maria Teresa Vela, española, an unmarried girl, age 21.
Felipe Vela, español, a youth, age 19.
Apolinaro Vela, español, a youth, age 17.
Maria Francisca Casilda Vela, española, a child, age 8.