He was born circa 1738. His father was Capt. Blas de la Garza Falcon, and his mother was Maria Catarina Gomez.
Joseph Manuel de la Garza Falcon, baptized 12 Apr 1764 in Camargo. Son of Dn Juan Jose de la Garza Falcon and Da Candida Francisca Guerra. The madrina was Leonor Mendes.
Blas de la Garza Falcon, head of household, captain
Josefa de los Santos Coy, wife
Maria Gertrudis de la Garza Falcon, daughter, 16 years old
Jose Antonio de la Garza Falcon, son, 12 years old
Juan Jose de la Garza Falcon, son, 9 years old
In 1767, as Captain of Camargo, he was granted Camargo 80 by the King of Spain. As captain, he received a double porcion.