Worldwide, マッキンリー (Mckinley 
, Mckenley 
, Mckinly 
) is quite a rare principally masculine, but very seldom female first name. The forename マッキンリー is habitual in the United States, where it is quite a rare predominantly masculine, but scarcely feminine name, Philippines, where it is a rare predominantly boy's, but very infrequently girly name, and Canada, where it is a very rare epicene name. More frequently, マッキンリー is the last name as well as the forename.
マッキンリー is also a name for the fictitious and mythical characters: McKinley , the fictional character from One Piece.