"But not a Christian by any means (especially his own admission)."
Evidence - now. His own admission eh? Give me Washington's quote where he made such a statement!
By admission, I simply mean he never once claimed Jesus Christ as his personal Lord and Savior. On the other hand, he actually used ambiguous terms in describing God (i.e. "the Almighty") and praised the good morals of the Christian religion but nothing more. There's no evidence to support that George Washington claimed that Jesus Christ was his personal Lord and Savior as you have claimed.