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Gender: Male Origin of Alastair: English spelling of the Scottish Alasdair, the Gaelic form of of Alexander Meaning of Alasdair: Scottish variation of Alexander, "defending men"

The name Alastair is a boy's name of Scottish origin. Alastair and is often added to lists like British Boy Names and discussed in our forums with posts like "Which would you choose?".

From the experts:

To Americans, a quintessential British name, introduced to the U.S. public by suave journalist/PBS Masterpiece Theater host Alastair Cook. Sometimes used in the U.S. by parents with Scottish heritage.

Find other names based on Alastair using our baby name generator.

Famous People Named Alastair

Alastair George Bell Sim, Scottish actor
Alastair James Stewart, English TV journalist
Alastair Moock, American singer
Alastair John Campbell, British political spokesman
Alastair Preston Reynolds, English novelist
Alastair Arthur Windsor, 2nd Duke of Connaught and Strathearn; great-grandson of Queen Victoria
Alastair Clarkson, Australian AFL player
Alastair Nathan Cook, English cricketer
Alastair Mackenzie, Scottish actor
Alastair Neil Duncan, Scottish actor
Alastair Baxter, Australian rugby union player
Alastair William Gillespie, Canadian politician
Alastair Ian "Al" Stewart, Scottish singer-songwriter
Alastair Seeley, Northern Irish motorcycle racer
Alastair Aiken aka Ali-A, British YouTuber
Alastair Adam Lloyd Webber (b. 1992), son of composer Andrew Lloyd Webber
Alastair Wallace Stewart (b. 2006), son of singer Rod Stewart

Pop Culture References for the name Alastair

Alastair, demon on TV's "Supernatural"

Al, Alaster, Allystair, Alastaire, Allastaire, Alasdair, Allaster, Allistir, Alastar


morning_glory Says:


I like Altair - "falcon" - as a nn for this. Laz could be cool too.

pterodactylcries Says:


I like this name, but I always think of the demon from Supernatural so it's out for me.

euphemiadwarlock9 Says:


I adore "proper" sounding names and Alastair is one of my favourites! I don't have a preferable spelling. Alastair, Alistair, Alasdair...It doesn't matter to me.

cmcg79 Says:


Very handsome, one of my favorites. I much prefer the spelling Alastair over Alistair.

Guest Says:


Am I the only one who thinks of Lord Of The Rings when I see this name? Just the way I pronounce it in my head.

ShannonLim Says:


I love Alastair over Alistair! The spelling looks more appealing and I prefer the pronounciation too. I agree about the sophisticated part. Indeed it does look very regal.

madmaddie Says:


This spelling is my preferred one, just because it looks more sophisticated. Love, love the name! The same goes for Eleanor over Elinor.

chellemma1 Says:


Nearly every Alastair, Alistair, Alasdair I know goes by Ali.

Guest Says:


Stars, Ali, Allie/Ally, Lester

Ellimac55 Says:


I love this name. Any nicknames for it other than Al?

theREALellendegenerusofficialw Says:



theREALellendegenerusofficialw Says:


this is a really underrated name it should b like top 100 at least its really good

Sweekune Says:


A handsome name with Scottish undertones. I would love to use this name but alas OH has vetoed it.