Maria Josefa Treviño was born circa 1774, the daughter of Ygnacio Treviño (household) and Margarita Gutierrez (household).
In 1782, she lived in Mier. The church census recorded that she was a child, casta, and 8 years old. Her household included 8 people:
Don Ygnacio Treviño, español, married, age 35.
Margarita Gutierrez, española, married, age 26.
_ Treviño, española, a youth, age 19.
Ysavel Maria Treviño, española, a young child, age 2.
Maria Josefa Treviño, casta, a child, age 8.
Maria Caridad Treviño, casta, a young child, age 6.
Julia de la Cruz, india, an unmarried girl, age 24.
Juana de la Cruz, india, a young child, age 5.