Where does “Mackneil” come from?

Mackneil (English) comes from Scottish Gaelic Mac Néill, from Scottish Gaelic Niall, from Old Irish Níall.

Ancestry of “Mackneil”, step by step

StepLanguageWordMeaning
1Scottish GaelicMac Néill—
2Scottish GaelicNiallpossibly "the champion
3Old IrishNíall—
Every word from Old Irish Níall →Every word from Scottish Gaelic Niall →Every word from Scottish Gaelic Mac Néill →