This is a list of surnames in which the usage is Irish; and the source is Nickname.
Buckley 2 IrishFrom Irish
Ó Buachalla meaning
"descendant of Buachaill", a nickname meaning "cowherd, servant".
Donne Scottish, IrishFrom Gaelic
donn meaning
"brown", a nickname for a person with brown hair.
Dunn English, Scottish, IrishDerived from Old English
dunn "dark" or Gaelic
donn "brown", referring to hair colour or complexion.
Kilduff IrishFrom the Irish
Mac Giolla Dhuibh meaning
"son of the black-haired man".
Mack 1 Scottish, IrishShortened form of various Irish and Scottish surnames beginning with
Mac or
Mc (from Irish
mac meaning "son").
McGill Irish, ScottishAnglicized form of Gaelic
Mac an Ghoill meaning
"son of the foreigner", derived from
gall "foreigner".
Wallace Scottish, English, IrishMeans
"foreigner, stranger, Celt" from Norman French
waleis (of Germanic origin). It was often used to denote native Welsh and Bretons. A famous bearer was the 13th-century Scottish hero William Wallace.