Casillas a indian surname?

Question:

Casillas a indian surname?

hi my great-grandma wasnt mexican and claimed her grandpa was full cheyenne indian with the surname casillas is this possible

Best Answer - Chosen by Asker: May 24, 2002
I did not find too much but whaat I did find is interesting
*See link belowhttp://www.usd.edu/urelations/news/archi...
http://www.turtletrack.org/issues02/co12...

USD Announces 2002-2003 American Indian Scholarship Recipients.......................
.Casillas, an enrolled member of the Cheyenne River Sioux Tribe, received her Bachelor of Arts degree in Psychology from USD in 1997

Denise Casillas of the Cheyenne River Sioux Tribe, graduate clinical psychology student