Pedro Jose Hinojosa was born circa 1753, the son of Marcelino Hinojosa and Rosa Maria Saldua.
He married Maria Candelaria Garcia.
In 1782, he lived in Mier. The church census recorded that he was single, español, and 29 years old. His household included 4 people:
Don Marcelino Hinojosa, español, married, age 58. He owned Rancho Malahueco but did not live there.
Rosa Maria Saldua, española, married, age 57.
Pedro Jose Hinojosa, español, single, age 29.
Jose Miguel Hinojosa, español, a youth, age 17.