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Alasdair
BoyMeaning of Alasdair: Greek: 'defender of men'
Alasdair is a boy's name most strongly associated with Scottish naming. It has 8 letters and 3 syllables, and it is familiar but far from overused — 3731st most popular boys' name in the United States in 2025 and 1595th in England & Wales.
US rank 2025
#3731
28 babies in 2025
England & Wales 2024
#1595
16 babies in 2024
US babies since 1880
525
First recorded 1989 · peak 2021
Trend
rising
Style: uncommon
Popularity over time
Gender split
100% boys · 0% girls, based on US, UK and international usage.
Origins & cultures
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