Jose Antonio Zarate was born circa 1767, the son of Pablo Zarate and Juana Bazan.
In 1782, he lived in Mier. The church census recorded that he was a youth, español, and 15 years old. His household included 16 people:
Pablo Zarate y Tovar, español, married, age 52.
Juana Bazan, española, married, age 40.
Maria Gertrudis Zarate, española, single, age 23.
Maria Josefa Zarate, española, single, age 21.
Luisa Michaela Zarate, española, an unmarried girl, age 17.
Jose Felipe Zarate, español, a youth, age 16.
Jose Antonio Zarate, español, a youth, age 15.
Jose Ignacio Zarate, español, a child, age 13.
Juana Josefa Zarate, española, an unmarried girl, age 12.
Jose Manuel Zarate, español, a child, age 11.
Maria Matiana Zarate, española, a child, age 9.
Maria Isabel Zarate, española, a child, age 8.
Maria Teresa Zarate, española, a child, age 7.
Maria Leonor Zarate, española, a young child, age 5.
Maria Ignacia Zarate, española, a young child, age 1.
Jose Manuel Zarate, español, a young child, age 0.5.