Alasdair
Alasdair is a name with a single cultural origin: Scottish Gaelic.
- Scottish Gaelic
Meaning & Origin of Alasdair
What this name means, where it came from, and how it has traveled across cultures.
Alasdair is a name with a single cultural origin: Scottish Gaelic.
Origin data from Behind the Name .
Cultural Origins (via Behind the Name)
- Scottish Gaelic
The Story of Alasdair
American parents first put Alasdair on the record books as a baby boy name in 1989, with 5 registered babies. Its peak popularity came in 2021, when 37 Alasdairs were born — ranking #3,176 that year. About 40% of every Alasdair on record arrived during the 2010s, its defining decade. As of 2026, Alasdair ranks #3,618 for baby boys with 31 births, rising sharply (+17% over the past five years). All told, over 558 Americans have carried the name since 1880, from the 1980s to the 2020s.
Popularity Over Time
Popularity by State
Variants & Related Forms of Alasdair
Foreign forms, alternate spellings, and nicknames that share roots with Alasdair. Linked entries have a profile on Peek a Name.
Names that sound like Alasdair
Phonetically similar names — useful when Alasdair is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Alasdair
What does the name Alasdair mean?
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How popular is Alasdair in 2026?
When was Alasdair most popular?
In which U.S. states is Alasdair most popular?
Is Alasdair a unisex name?
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About the name Alasdair
Alasdair is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1989 and has accumulated 558 births in the dataset. Alasdair's peak popularity came in 2021 when it ranked #3,147. Use the chart and map above to compare Alasdair's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2021 →
- Names of the 2020s →
- Names starting with "A" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.