She was born circa 1776, and was baptized 4 Sep 1776. Her father was Juan Antonio Canales, and her mother was Maria de los Santos Garcia. Her father owned Porción 40, Mier. In 1782, she lived in Mier in household number 8. The church census recorded that she was a young child, , and 6 years old. Her household included 10 people, 2 of whom were likely servants. In 1791, she lived in Mier in household number 5. The church census recorded that she was an unmarried girl, española, and 15 years old. Her household included 10 people, 2 of whom were likely servants.