She was born circa 1733.
In 1782, she lived in Mier in household number 3. The church census recorded that she was married, casta, and 49 years old. Her household included 3 people:
Ynocensio Castañeda, married, casta, age 57.
Maria Gregoria de Mata, married, casta, age 49.
Jose Maria Castañeda, single, casta, age 19.