He was born circa 1742. His father was Jose Valentin de Olivares, and his mother was Maria de Jesus Guajardo. His father owned Mier 19 grant.
He married Maria Juliana Flores, daughter of Diego Flores and Maria Luisa Hinojosa. Her father owned Mier 27 grant.
Maria Viviana Olivares, born 1767. She married Francisco Ignacio Montalvo, son of Antonio Montalvo and Maria Petra Salinas on 22 Nov 1786.
Jose Alejandro Procopio Olivares, baptized 20 Jul 1768.
Jose Felipe Olivares, born 1781.
Jose Valentin Olivares, head of household, español
Maria de Jesus Guajardo, wife, española
Jose Antonio Olivares, son, 19 years old
Ana Maria Olivares, daughter, 17 years old
Juan Javier Olivares, son, 11 years old
Margarita Olivares, daughter, 8 years old
Santiago Olivares, son, 7 years old
Francisco Olivares, son, 5 years old
In 1782, he lived in Mier in household number 59. The church census recorded that he was married, español, and 41 years old. His household included 5 people:
Santiago Olivares, married, español, age 41.
Maria Juliana Flores, married, española, age 31.
Maria Viviana Olivares, an unmarried girl, española, age 15.
Jose Alejandro Procopio Olivares, a youth, español, age 14.
Jose Felipe Olivares, a young child, español, age 7.
In 1767, as a resident of Camargo transferred to Mier, he was granted Mier 18 by the King of Spain. There was an improved estancia at the site. He had stock here.