He was born circa 1790. His father was Jose Santiago Hinojosa, and his mother was Maria Gertrudis Saenz.
In 1791, he lived in Mier in household number 11. The church census recorded that he was a young child, español, and 1 years old. His household included 5 people:
Jose Santiago Hinojosa, married, español, age 23.
Maria Gertrudis Saenz, married, española, age 20.
Maria Estefana Hinojosa, a young child, española, age 3.
Jose Mariano Hinojosa, a young child, español, age 1.
Maria Catarina Hinojosa, a young child, español.