According to http://www.nativeamericans.com/JimThorpe.htm, Thorpe married Patricia Askew in 1945.
Names are colorless.
I believe it is Welsh (ap Robert) or English in origin although there may be people with the name in Ireland.
A full name is what people call you, and a last name is what you have for people to know what family you are from.
Babe Ruths real name was George Herman Ruth