McAllister (surname) has many different spellings due to immigration. Some of the common spellings are 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,
McAuley (surname) McAuley (surname) Macaulay, McAuley, MacAuley, and Macauley are surnames in the English language. There are several etymological origins for the names: all of which originated as patronyms in several Gaelic languages—Irish and Scottish Gaelic. Although the English-language surnames are ultimately derived from Gaelic patronyms, the English-language surnames, and the modern Gaelic-language forms do not refer to the actual name of the bearer's father. The English-language surname is quite common in Ireland, particularly in Ulster and amongst Irish travellers. In some cases, the surnames are derived from the Scottish Gaelic "MacAmhalghaidh", and Irish "Mac Amhalghaidh". These Gaelic surnames translates into English