Francisco Olivares was born circa 1741, the son of Jose Valentin de Olivares and Maria de Jesus Guajardo.
He married Francisca Garcia (Perez) on 2 Mar 1772 in Mier.
In 1782, he lived at El Cojo. The church census recorded that he was married, español, and 43 years old. His household included 6 people:
Francisco Olivares, español, married, age 43.
Francisca Garcia (Perez), española, married, age 35.
Jose Bernadino Olivares, español, a child, age 9.
Maria Josefa Olivares, española, a young child, age 6.
Juan Jose Cristostomo Olivares, español, a young child, age 3.
Maria Dionicia Olivares, española, a young child, age 5.