He was born circa 1768.
In 1782, he lived in Mier in household number 36. The church census recorded that he was a youth, casta, and 14 years old. His household included 8 people:
Don Francisco Antonio Guerra Cañamar, married, español, age 72.
Doña Ana Josefa de la Garza, married, española, age 60.
Maria Leonor Guerra Cañamar, an unmarried girl, española, age 42.
Jose Tomas Guerra Cañamar, single, español, age 25.
Maria de los Santos Guerra Cañamar, an unmarried girl, española, age 22.
Jose Silverio Guerra Cañamar, single, español, age 21.
Lucia Guerra, an unmarried girl, casta, age 20.
Julian Guerra, a youth, casta, age 14.