Jose Alejandro Procopio Olivares was baptized on 20 Jul 1768, the son of Santiago Olivares and Maria Juliana Flores.
In 1782, he lived in Mier. The church census recorded that he was a youth, español, and 14 years old. His household included 5 people:
Santiago Olivares, español, married, age 41.
Maria Juliana Flores, española, married, age 31.
Maria Viviana Olivares, española, an unmarried girl, age 15.
Jose Alejandro Procopio Olivares, español, a youth, age 14.
Jose Felipe Olivares, español, a young child, age 7.