Jose Antonio Guerra Cañamar was born circa 1753, the son of Ramon Guerra and Rosalia Hinojosa.
In 1782, he lived at San Lorenzo de las Minas. The church census recorded that he was single, español, and 29 years old. His household included 8 people:
Don Jose Ramon Guerra Cañamar, español, a widower, age 65. He was the ranch owner.
Jose Antonio Guerra Cañamar, español, single, age 29.
Jose Alejandro Guerra Cañamar, español, single, age 22.
Maria Ignacia Guerra Cañamar, española, an unmarried girl, age 19.
Maria Juana Francisca Guerra Cañamar, española, an unmarried girl, age 18.
Maria Graciela Guerra Cañamar, española, an unmarried girl, age 16.
Vicente Guerra Cañamar, español, a child, age 15.
Jose Ignacio Guerra Cañamar, español, a child, age 11.