Jose Domingo de la Garza was born circa 1765, the son of Nicolas de la Garza and Maria Gertrudis Gonzalez.
In 1782, he lived at Juntas del Rio. The church census recorded that he was a youth, español, and 17 years old. His household included 11 people:
Nicolas de la Garza, español, married, age 44. He was the ranch owner.
Maria Gertrudis Gonzalez, española, married, age 41.
Maria Gertrudis de la Garza, española, an unmarried girl, age 19.
Jose Domingo de la Garza, español, a youth, age 17.
Jose Francisco de la Garza, español, a youth, age 15.
Jose Calixto de la Garza, español, a child, age 14.
Maria Merced de la Garza, española, a child, age 10.
Jose Elias de la Garza, español, a child, age 8.
Maria Josefa de la Garza, española, a child, age 5.
Jose Tiburcio de la Garza, español, a young child, age 2.
Bartolome de la Garza, español, single, age 23.