She was born circa 1789. Her father was Ygnacio Flores, and her mother was Maria Lugarda Treviño.
In 1791, she lived in Mier in household number 15. The church census recorded that she was a young child, española, and 2 years old. Her household included 7 people:
Ygnacio Flores, married, español, age 47.
Maria Lugarda Treviño, married, española, age 48.
Joseph Antonio Flores, a youth, español, age 16.
Antonio Joseph Flores, a child, español, age 14.
Marcelino Flores, a child, español, age 9.
Jose Joaquin Flores, a child, español, age 5.
Maria Gertrudis Flores, a young child, española, age 2.