He married Francisca Garcia Izaguirre, daughter of Jose Maria Garcia Salinas and Maria Lucia Izaguirre on 22 Nov 1814. He was 28 years old.
In 1791, he lived in Mier in household number 14. The church census recorded that he was a young child, español, and 5 years old. His household included 6 people:
Dn Jose Santiago Chapa, married, español, age 32.
Da Juana Hinojosa, married, española, age 31.
Maria Matiana Chapa, a child, española, age 10.
Jose Maria Chapa, a young child, español, age 5.
Maria Gertrudis Chapa, a young child, española, age 3.
Maria Dorotea Chapa, a young child, española.