Alastair
Alistair is a male given name. It is an Anglicised form of the Scottish Gaelic name Alasdair. The latter is most likely a Scottish Gaelic variant of the Norman name Alexandre or the Latin name Alexander, which was incorporated into English in the same form as Alexander.
- Scottish
Meaning & Origin of Alastair
What this name means, where it came from, and how it has traveled across cultures.
Alistair is a male given name. It is an Anglicised form of the Scottish Gaelic name Alasdair. The latter is most likely a Scottish Gaelic variant of the Norman name Alexandre or the Latin name Alexander, which was incorporated into English in the same form as Alexander.
Source: Wikipedia (CC BY-SA 3.0). Read more →
Cultural Origins (via Behind the Name)
- Scottish
The Story of Alastair
American parents first put Alastair on the record books as a baby boy name in 1922, with 5 registered babies. Its peak popularity came in 2026, when 64 Alastairs were born — ranking #2,250 that year. About 30% of every Alastair on record arrived during the 2010s, its defining decade. As of 2026, Alastair ranks #2,250 for baby boys with 64 births, gradually rising (+10%). All told, over 1K Americans have carried the name since 1880, from the 1920s to the 2020s.
Popularity Over Time
Popularity by State
Variants & Related Forms of Alastair
Foreign forms, alternate spellings, and nicknames that share roots with Alastair. Linked entries have a profile on Peek a Name.
Names that sound like Alastair
Phonetically similar names — useful when Alastair 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 Alastair
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How popular is Alastair in 2026?
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Is Alastair a unisex name?
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About the name Alastair
Alastair is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1922 and has accumulated 1K births in the dataset. Alastair's peak popularity came in 2026 when it ranked #2,186. Use the chart and map above to compare Alastair's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
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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.