Mckellar Family History
Mckellar Name Meaning
Scottish:: Anglicized form of Gaelic Mac Ealair ‘son of Ealair’ the Gaelic form of the Latin personal name Hilarius (see Hillary ). Anglicized form of Gaelic Mac Céileachair ‘son of the companionable one’. Compare Irish Kelleher .
Source: Dictionary of American Family Names 2nd edition, 2022