In 1791, he lived in Mier in household number 3. The church census recorded that he was a young child, español, and 5 years old. His household included 9 people:
Dn Santiago Barrera, married, español, age 65.
Da Maria Salome Garcia, married, española, age 52.
Jose Ramon Barrera, single, español, age 28.
Jose Angel Barrera, single, español, age 22.
Francisco Antonio Barrera, single, español, age 18.
Maria Juliana Barrera, a widow, española, age 32.
Alejo Flores, a young child, español, age 5.
Jose de los Santos Flores, a young child, español, age 4.
Maria Nicolasa Flores, a young child, española, age 3.