is mcneil irish or scottish?
Mcneil Name Meaning. Irish and Scottish: Anglicized form of Gaelic Mac Néill, a patronymic from the personal name Niall (genitive Néill), thought to mean 'champion' (see Neill). In Scotland MacNeills are associated with Barra and Gigha in the Hebrides; some of them went to Antrim and Derry in Ireland.