Alasdair is a distinctive choice, ranked #1705 in 2025. Your child is likely to be the only Alasdair in their class.
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UK Rank 2025
#1705
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About the Name Alasdair
Alasdair has seen a notable decline in recent years, dropping 216 places in five years. It was most popular in 1996 at #335 — parents choosing it today are making a deliberately counter-trend decision. The name has been a consistent presence in UK records since 1996.
Alasdair is uncommon in the UK, so your child is very likely to be the only Alasdair in their class.
⭐ Famous People Named Alasdair
Alasdair Beckett-King — Alasdair James Beckett-King is a British stand-up comedian, writer, and actor.
Alasdair Locke — Alasdair James Dougall Locke is a British businessman and political donor.
Alasdair Mitchell — Alasdair Mitchell is a British classical music conductor.
Biographical summaries are shortened from Wikipedia and are used under the CC BY-SA 4.0 licence; those summaries remain available under that same licence.
Frequently Asked Questions
Common questions about the name Alasdair
Unlikely. With around 15 UK babies named Alasdair per year, your child will almost certainly be the only Alasdair in their class, and possibly the only one in the whole school.
Alasdair is declining: down 326 places since 2020, to #1,705 in 2025. It peaked at #335 in 1996.
Alasdair is a distinctive choice sitting outside the mainstream UK top names. Parents choosing less common names often find their children appreciate the individuality as they grow up, rarely needing to add an initial to distinguish themselves.
Notable people named Alasdair include: Alasdair Beckett-King, Alasdair Locke and Alasdair Mitchell. Short summaries for each appear below.
Alasdair does not appear in the US top 1,000 baby names, making it a distinctively British choice — your child is unlikely to encounter American Alasdairs in the wild.
15
UK babies named Alasdair (2025)
< 1
Expected classmates with this name (class of 28)
~0.0
In a school of 600
↓ 326 places
Rank change (last 5 years)
🏫 Who else is in the room?
In a typical UK class of 28, highlighted children share the name Alasdair
Almost certainly the only Alasdair in the class
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UK Popularity (1996–2025)
Rank and birth count · ONS official data
No US data available for this name
✨ Similar names to Alasdair
Names with a similar style — each with their own classroom story
Alasdair Mac Colla Chiotaich MacDhòmhnaill, also known by the English variant of his name Sir Alexander MacDonald, was a military officer best known for his participation in the Wars of the Three Kingdoms, notably the Irish Confederate Wars and Montrose's Royalist campaign in Scotland during 1644–45.
Alasdair mac Mhaighstir Alasdair, legal name Alexander MacDonald, or, in Gaelic Alasdair MacDhòmhnaill, was a Scottish poet, satirist, lexicographer, and memoirist.