She was born circa 1777. Her father was Jose Antonio Olivares, and her mother was Maria Catarina Peña. Her father owned Mier 17 grant.
In 1782, she lived in San Juan Bautista del Cojo in household number 128. The church census recorded that she was a young child, española, and 5 years old. Her household included 9 people:
Jose Antonio Olivares, married, español, age 38.
Maria Catarina Peña, married, española, age 37.
Jose Salvador de Olivares, single, español, age 21.
Maria Teresa Olivares, an unmarried girl, española, age 19.
Jose Marcelino Olivares, a youth, español, age 16.
Jose de los Reyes Olivares, a child, español, age 11.
Jose Julian Olivares, a child, español, age 9.
Jose Vicente Olivares, a young child, español, age 5.
Maria Josefa Cesaria Olivares, a young child, española, age 5.