He was born circa 1774, and was baptized 3 Nov 1774. His father was Jose Antonio Olivares, and his mother was Maria Catarina Peña. His father owned land in Porción 17, Mier. In 1782, he lived in San Juan Bautista del Cojo in household number 128. The church census recorded that he was a young child, español, and 5 years old. His household included 9 people.