He was born circa 1786, and was baptized 13 Nov 1786 in Mier. His father was Jose Antonio Peña, and his mother was Maria Petra Garcia. His father owned Los Magueyes de Palo Blanco grant.
He married Maria Julia Guerra Cañamar, daughter of Juan Manuel Guerra Cañamar and Maria Isabel Treviño on 10 Jan 1811 in Mier. He was 25 years old.
Jose Ignacio Saldaña, baptized 29 Jan 1814 in Mier. Son of Jose Dionicio Saldaña and Maria Tomasa Peña. The madrina was Julia Guerra.
In 1791, he lived in Mier in household number 52. The church census recorded that he was a young child, español, and 4 years old. His household included 8 people:
Jose Antonio Peña, married, español, age 35.
Maria Petra Garcia, married, española, age 30.
Maria Tomasa Peña, a child, española, age 12.
Jose Ignacio Peña, a child, español, age 9.
Dionicio Peña, a child, español, age 9.
Jose Antonio Herculano Peña, a young child, español, age 4.
Maria Gregoria Tanguma, an unmarried girl, age 20.
Jose Rafael Peña, a young child, español, age 1.