He was born circa 1756. His father was Jose Miguel Ramirez, and his mother was Maria Tadea Peña. His father owned Mier 50 grant.
He married Maria Juliana Gonzalez, daughter of Ildefonso Gonzalez and Maria Luisa Saldivar on 15 Apr 1777 in Mier. He was 21 years old, and the bride was 14 years old.
Luisa Ramirez. She married Jose Ysidoro Guerra, son of Juan Manuel Guerra Cañamar and Maria Isabel Treviño in 1803.
Jose Antonio Ramirez. He married Maria Petra Guerra, daughter of Juan Manuel Guerra Cañamar and Maria Isabel Treviño.
Maria Antonia Ramirez, born 1775.
Maria Ursula Ramirez, born 1778. She married Jose Manuel de la Garza Falcon, son of Juan Jose de la Garza Falcon and Candida Francisca Guerra on 26 May 1800.
In 1782, he lived in Mier in household number 68. The church census recorded that he was married, español, and 26 years old. His household included 4 people:
Jose Matias Ramirez Peña, married, español, age 26.
Maria Juliana Gonzalez, married, española, age 19.
Maria Antonia Ramirez, a young child, española, age 7.
Maria Ursula Ramirez, a young child, española, age 4.
In 1809, he settled at Palo Blanco. The land was originally surveyed for Ramirez in 1809. He occupied it until his death but title was awarded to his heirs.
He died on 12 Apr 1813. He was 57 years old.