He was born circa 1746. His father was Juan de Santiago, and his mother was Juana Maria Rodriguez.
He married Maria de la Merced Tanguma, daughter of Jose Antonio Tanguma and Maria Nicolasa Ortega on 12 Dec 1772 in Mier. He was 26 years old, and the bride was 16 years old. It was her second marriage. Alternate date 21 Dec.
Maria Cecilia Garcia, born 1769.
Jose Damian Garcia, born 1771.
Maria Dionicia Garcia, born 1773.
Juana Maria Garcia, born 1777.
Maria Nicolasa Garcia, born 1778.
Jose Claudio Garcia, born 1779.
Jose Miguel Garcia, born 1780.
In 1782, he lived in Miguel Perez in household number 146. The church census recorded that he was married, casta, and 36 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.