He was born circa 1740. His father was Capt. Blas de la Garza Falcon, and his mother was Maria Catarina Gomez.
He married Candida Francisca Guerra, daughter of Francisco Guerra and Ana Josefa de la Garza. Her father owned Mier 66 grant.
Joseph Manuel de la Garza Falcon, baptized 12 Apr 1764 in Camargo. His padrino was Dn Joseph Antonio de la Garza Falcon, and his madrina was Da Leonor Mendes.
Blas Maria de la Garza Falcon, born 1770.
Francisco Antonio de la Garza Falcon, born 1773.
Jose Nepomuceno de la Garza Falcon, born 1775.
Juan Jose Manuel de la Garza Falcon, born 1776. He married Maria Ursula Ramirez, daughter of Jose Matias Ramirez Peña and Maria Juliana Gonzalez on 26 May 1800. He owned San Francisco (tract).
Maria Rita de la Garza Falcon, born 1782. She married Jose Eugenio Ramirez Hinojosa, son of Jose Cristobal Ramirez and Maria Matiana Hinojosa on 28 Jan 1800.
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 1782, he lived in Mier in household number 34. The church census recorded that he was married, español, and 42 years old. His household included 9 people:
Juan Jose de la Garza Falcon, married, español, age 42.
Candida Francisca Guerra Cañamar, married, española, age 37.
Joseph Manuel de la Garza Falcon, a young child, español, age 14.
Blas Maria de la Garza Falcon, a child, español.
Francisco Antonio de la Garza Falcon, a child, español, age 9.
Jose Nepomuceno de la Garza Falcon, a child, español, age 7.
Juan Jose Manuel de la Garza Falcon, a youth, español, age 6.
Maria Candelaria Garza, an unmarried girl, india, age 15.
Maria Ygnacia Garza, a child, casta, age 1.
In 1791, he lived in Mier in household number 29. The church census recorded that he was married, español, and 51 years old. His household included 10 people:
Dn Juan Jose de la Garza Falcon, married, español, age 51.
Da Candida Francisca Guerra Cañamar, married, española, age 45.
Joseph Manuel de la Garza Falcon, single, español, age 23.
Blas Maria de la Garza Falcon, single, español, age 21.
Francisco Antonio de la Garza Falcon, a youth, español, age 18.
Jose Nepomuceno de la Garza Falcon, a youth, español, age 16.
Juan Jose Manuel de la Garza Falcon, a child, español, age 15.
Maria Rita de la Garza Falcon, a child, española, age 8.
Maria Candelaria Garza, single, india, age 24.
Jose Maria, single, indio, age 16.
In 1767, he was granted Camargo 81 by the King of Spain.