She was born circa 1702, and was baptized 7 Jul 1702 in Monterrey. Her father was Jose Martinez Guajardo de la Garza, and her mother was Margarita Gertrudis Gutierrez de Castro.
She married Jose Jacinto de la Peña in Cerralvo?.
Margarita Peña, born 1725. She married Jose Florencio Chapa, son of Jose Nicolas Chapa and Maria Inez Baez de Benavides.
Jose Peña, born 1727. He married Ana Polonia Lopez, daughter of Miguel Lopez and Ana Maria Hinojosa in 1752. He owned Mier 33 (tract).
Maria Teresa Peña, born 1729. She married Juan Francisco Saenz, son of Miguel Saenz and Maria Gerarda Hinojosa.
Maria Tadea Peña, born 1731. She married Jose Miguel Ramirez.
Jacinto Peña, born 1731. He married Ana Francisca Baez de Benavides in Revilla.
Maria Josefa Peña, born 1733. She married Bernardo Vela.
Maria Catalina Peña, born 1734. She married Pedro Regalado Hinojosa, son of Diego Hinojosa Cantu and Maria Josefa de la Garza y Diaz Molina.
Ana Maria Guajardo, widow, española
Jose Peña, son, 22 years old
Maria Tadea Peña, daughter, 20 years old
Jacinto Peña, son, 29 years old
Maria Josefa Peña, daughter, 16 years old
Maria Catalina Peña, daughter, 16 years old
In 1757, she lived in Mier in household number 4. The church census recorded that she was a widow. She was given the tile "Doña". Her household included 3 people, including one child, and one servant. She had a herd of 300 horses, 20 mules, 8 donkeys, 30 cattle, and 1500 small livestock.
In 1767, she was granted Mier 48 by the King of Spain.
She died on 22 Feb 1769 in Cerralvo. She was 67 years old.