Meaning:
Its source is Mac Fhionnlaoich, a Gaelic name meaning "Son of the white warrior."
This name is often written McKinley.
Popularity:
The name Mckinley ranked 1047th in popularity for males of all ages in a sample of the 1990 US Census.
Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.