He was born circa 1794. His father was Tomas Garcia, and his mother was Maria Josefa de la Garza.
He married Juana Manuela Barrera, daughter of Jose Angel Barrera and Maria Matiana Moreno.
Jacinta Garcia. She married Clemente Barrera, son of Rafael Barrera and Maria Cecilia Garcia.
In 1791, he lived in Mier in household number 20. The church census recorded that he was a young child, español. His household included 5 people:
Jose Tomas Garcia, married, español, age 23.
Maria Josefa de la Garza, married, española, age 28.
Juan Jose Garcia, a young child, español, age 2.
Maria Gertrudis Garcia, a young child, española, age 1.
Antonio Garcia, a young child, español.
In 1836, he was granted Randado by the State of Tamaulipas.
In 1836, he sold one-half of Randado to Jose Maria Barrera, the brother-in-law of the original grantee. He had settled the tract at the same time. Half the tract was immediately conveyed to him.