Juan Eligio Casas was born circa 1746 in Salinas, the son of Juan de las Casas and Josefa de la Garza.
He married Maria Rosalia Olivares.
Maria Leonarda Casas was born circa 1774.
Maria Josefa Casas was born circa 1778.
As the son of the owner, he inherited Camargo 39 from Juan de las Casas. transferred to Juan Eligio Casas prior to 1803 (see Camargo protocolos p.320)
In 1782, he lived at El Cojo. The church census recorded that he was married, casta, and 33 years old. His household included 4 people:
Juan Eligio Casas, casta, married, age 33.
Maria Rosalia Olivares, casta, married, age 30.
Maria Josefa Casas, casta, a young child, age 4.
Maria Leonarda Casas, casta, a young child, age 8.