boy's name

Alasdair

  • Origin Scottish Gaelic
  • Gender Boy
  • Letters 8
  • Popularity Uncommon
  • Births on record 4,286

Scotland

#240

2024 births

Alasdair is a boy's name. In 2025 it was given to 28 babies in the United States. It is used consistently but remains uncommon.

  • Alasdair is a name of Scottish Gaelic origin.
  • Peaked in Scotland in 1984, when 99 babies were given the name.
  • Its usage has held steady over the past decade in Scotland.
  • Today about 1 in 2,243 babies in Scotland is given this name.
  • First appears in birth records in 1974.

Alasdair over time

Births per decade in Scotland, 1970s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2024, not a full ten years.

799
'70 '80 '90 '00 '10 '20
Show the numbers
Births named Alasdair by decade in Scotland
Decade Births
1970s 493
1980s 799
1990s 719
2000s 346
2010s 295
2020s (to 2024) 94

How popular is Alasdair?

In 2024, Alasdair was given to 17 babies in Scotland, ranking #240 that year. It is used consistently but remains uncommon.

Where Alasdair is used

Scotland #240 17 in 2024
Northern Ireland #447 3 in 2013
Ireland #897 3 in 2022
England & Wales #1,749 15 in 2025
Canada #2,427 8 in 2024
United States #3,894 28 in 2025

The bar shows how near the top of each country's list the name sits, on a scale where #1 fills the row and #1,000 is a sliver. The figures beside it are the real rank and the babies recorded that year.

Figures for Scotland withhold any name given to fewer than three babies in a year, so a gap means the name fell below that floor rather than went unused. Data & sources.

Names that peaked alongside Alasdair

These names rose and fell in the same era, which is why they tend to sound like they belong together.

Parents who like Alasdair also like

Names whose popularity has risen and fallen in step with Alasdair over the last century — the same taste, a different name.

Sibling names for Alasdair

Names from the same era that won't rhyme or share an initial with Alasdair — the two things that make a sibling set grate.

Common questions about Alasdair

How popular is the name Alasdair?

In 2024, Alasdair was given to 17 babies in Scotland, ranking #240 that year. It is used consistently but remains uncommon.

Is Alasdair a girl's or a boy's name?

Alasdair is given almost entirely to boys in birth records.

When was Alasdair most popular?

Alasdair peaked in 1984, when 99 babies were given the name. Its usage has held steady over the past decade.

Is Alasdair a good name?

That is not something records can settle, but they can tell you what you would be choosing. Alasdair currently ranks #240 in Scotland. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.