McCallister
A Scottish and Irish surname meaning “son of Alister,” with Alister itself a Gaelic form of Alexander.
The #4,146 most common surname in the United States (2010 Census) — about 1 in every 36,132 Americans shares it.
Etymology
McCallister is a patronymic surname built from Mac, meaning “son,” plus Alister/Alistair, a Gaelic form of Alexander. In other words, the name originally meant “son of Alexander” or “son of Alister.” The spelling with -Callister reflects English and Irish Gaelic spelling variation around the same underlying name.
History
The surname is found in both Scotland and Ireland, especially in families tied to Gaelic naming traditions. Historical spellings vary widely, including MacAlister, MacCallister, McAlister, and related forms, which often represent the same family name recorded by different clerks. The name belongs to the broader group of surnames derived from the popular medieval given name Alexander.
Origin
Regions
Variant spellings
Fun fact
19th-century surname writers often treated McCallister and McAllister as interchangeable spellings of the same Gaelic family name.
From the historical record
“tract on the river Moy. MCALLISTER or MCCALLISTER. The son of Aiister, the Gaelic, for Alexander. CaUester, in the Welsh, signifies a flint, figuratively, an invincible man. G-allmter, in Cor. Br., expresses might, power.”
— An Etymological Dictionary of Family and Christian Names