Juan Antonio Santos was born circa 1767, the son of Jose Cayetano Lopez (household) and Maria Antonia Gonzalez (household).
In 1782, he lived at El Cojo. The church census recorded that he was a youth, español, and 15 years old. His household included 6 people:
Jose Cayetano Lopez de Jaen, español, married, age 34.
Maria Antonia Gonzalez, española, married, age 26.
Juana Maria Lopez, española, a young child, age 4.
Maria Gertrudis Lopez, española, a young child, age 3.
Jose Rafael Lopez, español, a young child, age 2.
Juan Antonio Santos, español, a youth, age 15.