Alasdair
How to say it: AL-uh-stair · /ˈæləstɛr/
Scottish Gaelic form of Alexander, from Greek meaning 'defender of men' - Highland name.
Alasdair was the 3,046th most popular boys’ name in the United States in 2025, given to 28 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are down about 20% in ten years, and it is projected to rise to #2,575 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #3,046 |
|---|---|
| Babies born in 2025 | 28 |
| Share of births | 1 in 118,405 |
| Peak decade | 2020s |
| Change over 10 years | −20% |
| Projected rank for 2030 (estimate) | #2,575 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Alasdair is a newcomer: almost all of its history is from the last forty years.
What goes with it
Nicknames
- Al
- Ali
Honouring a Alasdair in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Alasdair is about under 1 in 200.
Around the world
This spelling is used in English, Greek, Scottish Gaelic.
Famous people named Alasdair
- Alasdair MacIntyre (1929–2025)Scottish-American philosopher
- Alasdair Gray (1934–2019)Scottish writer and artist
- Alasdair Mac Colla (1610–1647)Scottish knight
From Wikidata and Wikipedia
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