Juan Jose Cristostomo Olivares was baptized on 7 Feb 1779, the son of Francisco Olivares and Francisca Perez.
In 1782, he lived at El Cojo. The church census recorded that he was a young child, español, and 3 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.