Mcnelis Family History
Mcnelis Name Meaning
Irish: Anglicized form of Gaelic Mac Niallghuis ‘son of Niallghus’ a personal name (intended as complimentary) composed of the personal name Niall (see O'Neill ) + gus ‘vigor’. In Irish the combination of [k] and [n] was generally pronounced [kr] Anglicized as the variants McCreless and McCrillis .
Source: Dictionary of American Family Names 2nd edition, 2022