She was born circa 1758. Her father was Santiago Barrera, and her mother was Maria Salome Garcia. Her father owned Porción 2, Mier.
She married Jose Flores, son of Pedro Jose Flores and Gertrudis Canales on 26 May 1784 in Mier. She was 26 years old. Their padrino was Juan Angel Saenz, and their madrina was Maria Petra Garcia.
In 1782, she lived in Mier in household number 1. The church census recorded that she was an unmarried girl, española, and 24 years old. Her household included 10 people.
Don Santiago Barrera, married, español, age 57.
Doña Maria Salome Garcia, married, española, age 43.
Jose Antonio Barrera, single, español, age 29.
Jose Ramon Barrera, single, español, age 19.
Maria Gertrudis Barrera, an unmarried girl, española, age 16.
Maria Juliana Barrera, an unmarried girl, española, age 24.
Maria Guadalupe Barrera, an unmarried girl, española, age 16.
Jose Angel Barrera, a youth, español, age 13.
Francisco Antonio Barrera, a child, español, age 11.
Ana Javiera Barrera, a child, española, age 3.
In 1791, she lived in Mier in household number 3. The church census recorded that she was a widow, española, and 32 years old. Her 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.