1) Scottish boy name 
MacKinley is a surname. It is an Anglicization of the Gaelic language Mac an Léigh and varies from that Gaelic language surname`s other Anglicization, McKinley, in that only the Gaelic language element Léigh and not, also, the Gaelic language patronymic forming prefix element Mac is anglicized by contraction. The MacKinley are a branch of the M....