McAllister (surname) McAllister (surname) McAllister is a surname from Scotland and Ireland that originates from the Gaelic name Mac Alasdair, meaning son of God. Alasdair is the Gaelic form of the first name Alexander. The Mc Alisters for the greater part owe their ancestry to the Scottish clan of the Mac Donalds. The name is derived from the personal name Alexander. The Mc Alisters arrived in Ulster as Gallowglasses at the invitation of the MacDonnell's. Today the greatest numbers of the name are to be found in counties Antrim, Londonderry, Fermanagh, and Dublin, otherwise the name is widely dispersed. The McAllister surname
Mac Amhalghaidh "Nic Amhalghaidh". This feminine surname is actually a contracted form of "iníon Mhic Amhalghaidh", which translates into English as "daughter of "Mac Amhalghaidh"". The form of the surname for married females is "Bean Mhic Amhalghaidh", which translates into English as "wife of "Mac Amhalghaidh""; this feminine surname can also be represented in the contracted form "Mhic Amhalghaidh". A cognate of the Irish "Mac Amhalghaidh" is the Scottish Gaelic "MacAmhalghaidh". The feminine form of this Scottish Gaelic surname is "NicAmhalghaidh". This feminine name is composed of the prefix "Nic-", which is an abbreviated form of the Scottish Gaelic "nighean mhic" or