Ygnacio Olivares was born circa 1763, the son of Juan Angel Saenz (household) and Ana Dominga Garza (household).
In 1782, he lived at Puerticitos. The church census recorded that he was single, casta, and 19 years old. His household included 9 people:
Don Juan Angel Saenz, español, married, age 41. He was the ranch owner.
Ana Dominga de la Garza, española, married, age 41.
Maria del Carmen Saenz, española, an unmarried girl, age 21.
Maria Leocadia Saenz, española, an unmarried girl, age 12.
Maria Josefa Saenz, española, a child, age 3.
Juan Francisco Hinojosa, español, single, age 26.
Ygnacio Olivares, casta, single, age 19.
Maria Antonia Saenz, india, a child, age 9.
Jose Francisco Saenz, indio, a young child, age 2.