She was born circa 1777. Her father was Francisco Olivares, and her mother was Francisca Perez.
In 1782, she lived in San Juan Bautista del Cojo in household number 131. The church census recorded that she was a young child, española, and 5 years old. Her household included 6 people:
Francisco Olivares, married, español, age 43.
Francisca Garcia (Perez), married, española, age 35.
Jose Bernadino Olivares, a child, español, age 9.
Maria Josefa Olivares, a young child, española, age 6.
Juan Jose Cristostomo Olivares, a young child, español, age 3.
Maria Dionicia Olivares, a young child, española, age 5.