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Alasdair

Quick answerAlasdair is the Scottish Gaelic form of Alexander, derived from the Greek name Alexandros, meaning "defender of men" (from alexein, "to defend," and aner, "man").

Scottish Gaelic · Boy · 3 syllables

A
Top 5,000

Popularity & facts

Relative popularity index, 2010–2025
GenderBoy
US Rank#3,850
TrendStable
Peak year2021
Syllables3
OriginScottish Gaelic
LanguageScottish Gaelic
CultureScottish Gaelic
Letters8
Numerology11 Chaldean 7
Global rank#298

Popularity over time

Popularity index
Hover the line to see any year. 100 = most popular.

Historical popularity from 1880–2025 · US Social Security Administration data

About the name Alasdair

Alasdair is the Scottish Gaelic form of Alexander, derived from the Greek name Alexandros, meaning "defender of men" (from alexein, "to defend," and aner, "man").

Cross-referenced with Wikidata/Wikipedia. AI-assisted, community-reviewable. Suggest an improvement.

Etymology

Alasdair is the Scottish Gaelic form of Alexander, derived from the Greek name Alexandros, meaning "defender of men" (from alexein, "to defend," and aner, "man"). The name has been borne by Scottish Highlanders and Lowlanders for centuries, with particular prominence among clan leaders and Scottish royalty, reflecting its adoption across Gaelic-speaking regions of Scotland.

Alasdair currently ranks #3,850 in the United States as a boy's name. It reached its peak popularity around 2021.

Variants & nicknames

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Sibling name ideas

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Phonetic match, not just spelling
Algot
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"Algot derives from Old Norse elements "allr" (all) and "góðr" (good), meaning "completely good" or "all good." The name is…"

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"Alister is a Scottish form of Alexander, derived from the Greek name Alexandros, composed of "alexein" (to defend) and "andros"…"

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Alistair
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"Alistair is the Scottish Gaelic form of Alexander, derived from the Greek name Alexandros, meaning "defender of men" (from alexein,…"

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Allister
Unisex

"The given name 'Allister' is derived from the Gaelic name 'Alasdair', which is a variant of 'Alexander', meaning 'defender of…"

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Alastair
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"Alastair is the Scottish Gaelic form of Alexander, derived from the Greek name Alexandros, meaning "defender of men" (from alexein,…"

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Allistair
Boy Greek

"Allistair is a Scottish variant of Alexander, derived from the Greek name Alexandros, meaning "defender of men" (from "alexein" meaning…"

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Alcides
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"The name Alcides means "descendant of Alcaeus" or "strong/valiant," derived from the Greek name *Alkaios* (Ἀλκαῖος), itself from *alkē* meaning…"

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Alistar
Boy Greek

"The name 'Alistar' is a Scottish Gaelic variant of 'Alasdair', meaning "defender of men," derived from the Greek name 'Alexandros'…"

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Alisdair
Boy Greek

"The name 'Alisdair' is the Scottish Gaelic form of 'Alexander', meaning "defender of men" from the Greek elements *alexein* (to…"

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Alcide
Unisex Greek

"The name 'Alcide' means "strength" or "might," derived from the Greek name *Alkeidēs* (Ἀλκείδης), a patronymic of *alkē* ("strength") originally…"

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Alessio-Damir
Boy Greek-Slavic/Turkic

"Alessio-Damir combines the Greek name Alessio (a variant of Alexios, meaning "defender" or "helper" from alexein) with the Slavic/Turkic name…"

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Alcida
Girl Greek

"Alcida is derived from the Greek name Alkida, meaning "strong-willed" or "mighty," from the root *alkē* (strength)."

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