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,
Campbell (surname) Campbell (surname) Campbell is primarily a Scottish surname of Gaelic origins. In Scotland, the name itself derives from two Scottish Gaelic words. "Cam" (crooked) and "Beul" (mouth) meaning "Crooked mouth" or "wry-mouthed", originally a nickname which over time became used as a surname. Campbell is the third most common surname in Northern Ireland, fourth most common in Jamaica, seventh most common in Scotland, 12th most common in Canada, 18th most common in Australia, 41st most common in the United States and 65th most common in England. The Irish (outside of Northern Ireland) occurrence of the name usually has a different