He was born circa 1771. His father was Jose Antonio Garcia, and his mother was Maria de la Merced Tanguma.
In 1782, he lived in Miguel Perez in household number 146. The church census recorded that he was a child, casta, and 11 years old. His household included 7 people:
Jose Antonio Garcia, married, casta, age 36.
Maria de la Merced Tanguma, married, casta, age 26.
Maria Cecilia Garcia, an unmarried girl, casta, age 13.
Jose Damian Garcia, a child, casta, age 11.
Maria Dionicia Garcia, a child, casta, age 9.
Juana Maria Garcia, a young child, casta, age 5.
Maria Nicolasa Garcia, a young child, casta, age 4.