Alastair

“Variant of Alexander — Defender of mankind” — Greek via Latin origin

Boy's name · #2145 in the US (2025) · Trending

Alastair has appeared in US records since 1922 — best rank #2145 (2025) · 1,364 babies named Alastair all-time · 1 in 25,000 boys born in 2025.

Around the world: about 1 in 2,500 boys in Scotland (2025) · about 1 in 11,000 boys in England & Wales (2025) · about 1 in 14,000 boys in Canada (2024).

Appears in 2020-2025 birth records of 3 states. See the full state-by-state map on this page.

Famous Alastairs

Alastair Reynolds — British science fiction author (born 1966)
Alastair Cook — English cricketer (born 1984)
Alastair Windsor, 2nd Duke of Connaught and Strathearn — Member of the British Royal Family, British Army officer (1914-1943)
Alastair Sim — Scottish actor (1900–1976)
Alastair McCorquodale — British athlete (1925-2009)

In stories & tradition

Alastair — Supernatural
Alastair Campbel — TONY! The Blair Musical

What Alastairs become

Among 363 notable people named Alastair:

Lawyers & judges appear 1.45× more often than among typical names — e.g. Alastair Campbell, Lord Bracadale, British judge.

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