Hello Hank, I believe we're closely related as Julio Loya who was the oldest Loya from my family tree lived in Los Angeles he was my uncle. Yes the Loya's are scattered about some are still in El Paso and probably in Mexico
My mother was the oldest of Cesario' Loya's family and she knew your family in fact your uncle Julio Jr would come and visit us in Fresno were I was raised.
The Loya's came from Santa Isabel General Trias Chihuahua Mexico.
Marcial father:Don Eduardo Loya -mother: Maria De La Luz Blanco
Estefana's father:Juan Andujo -mother:Maria Tauni
Julio 1873
Antonia 1875
Cesario 1880
Gertrudiz 1884
Salome 1888
Anselmo 1900
These are the family members that I know of. The two sister Gertrudiz & Antonia married and stayed in El Paso. I hope this information is helpful to your genealogy tree.