Alistair
Boy name · Gaelic · pronounced AL-is-tair
Verified name
What does Alistair mean?
Defender of mankind
Origin and language
Popularity in the United States
Ranked No. 678 in the U.S. in 2025, so it is moderately common. Source: U.S. Social Security Administration data.
Popularity in England and Wales
No. 517 in England and Wales in 2025
Contains Office for National Statistics data licensed under the Open Government Licence v3.0.
Related names, nicknames, and variants
Nickname: Al, Ali
Variant: Alastair, Alisdair
Related: Alexander
Using Alistair across cultures
Scottish Gaelic form of Alexander.
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