Maria Rosalia Garcia was born circa 1779, the daughter of Jose Nicolas Garcia and Maria Ana Flores.
In 1782, she lived in Mier. The church census recorded that she was a young child, española, and 3 years old. Her household included 4 people:
Jose Nicolas Garcia, español, married, age 24.
Maria Ana Flores, española, married, age 23.
Maria Rosalia Garcia, española, a young child, age 3.
Jose Manuel Garcia, español, a young child, age 3.