She was born circa 1781, and was baptized 4 Mar 1781. Her father was Francisco Javier Perez, and her mother was Maria Josefa Rios.
In 1782, she lived in Santa Teresa de Guardado in household number 80. The church census recorded that she was a young child, casta, and 1 years old. Her household included 9 people:
Francisco Javier Perez, married, casta, age 41.
Maria Josefa de los Rios, married, española, age 41.
Jose Ignacio Perez, a youth, casta, age 15.
Maria del Carmen Perez, an unmarried girl, casta, age 13.
Maria Rita Perez, a child, casta, age 11.
Jose Antonio Perez, a child, casta, age 9.
Jose Alvino Perez, a young child, casta, age 6.
Maria Antonia Perez, a young child, casta, age 1.
Maria Josefa Perez, a young child, india, age 3.