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 and Mc together Mac and Mc together A convention of sorting names with the Scottish and Irish patronymic prefixes Mac and Mc together persists in library science and archival practice. An example is from the Archives at the Yale University Beinecke Rare Book and Manuscript Library. It is also applied in areas such as voter registration, where Mac and Mc names may be sorted together in a listing. Technically this is a convention in collation. On the other hand, ASCII is a computer standard and its corresponding sorting is gradually replacing this exception to ordinary alphabetisation. Rules once used for filing have been