Alistair

Alistair (also Alasdair and variants) is a male given name. Alasdair is the Scottish Gaelic spelling of the name, in origin the Gaelic form of the name Alexander (Greek Αλέξανδρος Aléxandros). Also common is the anglicised spelling Alistair.

Originally a Scottish given name, it became widespread throughout the Anglosphere during the 19th and 20th centuries. Previous to that, it was considered exclusively a Scottish name.