Josefa de los Santos Coy was the daughter of Nicolas de los Santos Coy and Ana Maria Guerra.
She married Blas de la Garza Falcon.
She married Matias de Landa.
In 1767, as the daughter of a primitivo poblador, she was granted Camargo 60 by the King of Spain. There was a rancho at the site. Prociones 59 & 60 were a joint grant to the widow and daughter of Nicolas de los Santos Coy.