She was born circa 1762. Her father was Jose Peña, and her mother was Ana Polonia Lopez. Her father owned Mier 33 grant.
She married Jose Cosme de la Garza, son of Juan de la Garza and Maria Gertrudis Chapa on 16 Jul 1780 in Mier. She was 18 years old, and the groom was 24 years old. His father owned Mier 23 grant.
She married Juan Jose Treviño, son of Diego Treviño and Lucrecia Rodriguez on 26 Feb 1794 in Mier. She was 32 years old. It was her second marriage, and his second marriage. His father owned Camargo 55 grant.
Maria Tomasa de la Garza, born 1776.
In 1782, she lived in San Nicolas/ Santa Rosalia de la Bonita in household number 140. The church census recorded that she was married, española, and 20 years old. Her household included 3 people:
Jose Cosme de la Garza, married, español, age 26.
Maria Josefa Peña, married, española, age 20.
Maria Tomasa de la Garza, a young child, española, age 6.