Maria Dorothea Hinojosa was born circa 1777, the daughter of Jose Antonio Hinojosa and Maria Josefa Chapa.
In 1782, she lived in Mier. The church census recorded that she was a young child, española, and 5 years old. Her household included 10 people:
Jose Antonio Hinojosa, español, married, age 55.
Maria Josefa Chapa, española, married, age 46.
Jose Andres Hinojosa, español, single, age 22.
Jose Francisco Hinojosa, español, a youth, age 18.
Jose Antonio Hinojosa, español, a youth, age 15.
Jose Clemente Hinojosa, español, a child, age 13.
Manuel Hinojosa, español, a young child, age 8.
Maria Isabel Hinojosa, española, a young child, age 6.
Maria Dorothea Hinojosa, española, a young child, age 5.
Maria Ana Hinojosa, española, an unmarried girl, age 13.