Scottish (Galloway) and northern Irish : Anglicized form of
Gaelic Mac Choinnich (Scottish), Mac Choinnigh (Irish),
a patronymic from the byname Coinneach (see McKenzie and
Kenneth).
Northern Irish (Antrim) : possibly an Anglicized
form of Gaelic Mac Shuibhne (see McSweeney).
Subscribe to Family Education
Your partner in parenting from baby name inspiration to college planning.