Juan Jose de la Garza Falcon was born circa 1768, the son of Juan Jose de la Garza Falcon and Candida Francisca Guerra.
In 1782, he lived in Mier. The church census recorded that he was a youth, español, and 14 years old. His household included 9 people:
Juan Jose de la Garza Falcon, español, married, age 42.
Candida Francisca Guerra Cañamar, española, married, age 37.
Juan Jose de la Garza Falcon, español, a youth, age 14.
Blas Maria de la Garza Falcon, española, a child.
Francisco Antonio de la Garza Falcon, español, a child, age 9.
Jose Nepomuceno de la Garza Falcon, español, a child, age 7.
Juan Jose Manuel de la Garza Falcon, español, a young child, age 6.
Maria Candelaria Garza, india, an unmarried girl, age 15.
Maria Ygnacia Garza, casta, a child, age 1.