Many of the name variations were due to the priest's entries.  I have 
read somewhere that French priests made many of the "mistakes" .

Maese, Maes  [ Some of the Maese families which stayed in the El 
Paso area after the Request keep the old spelling of Maes--accent 
on the letter e]

Guevara,  Marcelino, Nino Ladon de Guevara, Marzelino Ladron 
Guevara, Ladon de Guevara

Armijo, Armigo
Castillo, Alvarez del Castillo
Lucero, Lucero de Godoy
Rael, Rael de Aguilar
Olguin, Holguin
Javier, Xavier
Sanchez, Sanches  [ and other similar names ending in "z" ]
Baca, Vaca
Vallejo, Ballejo
Valencia, Balencia

* * * *
Gloria