Name Legacy

Alastair

Recorded 1922–2025 · United States

Alastair was most popular in 2025, when 67 American babies were given the name — ranking #4,581 that year. In 2025 it ranked #4,581, with 67 births. Across 1880–2025 the Social Security Administration has recorded 1,364 people named Alastair.

Most popular in2025
Rank that year#4,581
Births that year67
Total since 18801,364
Given to100% boys

Alastair over time

18802025
Births per year. The dot marks Alastair’s peak in 2025. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Alastair a boy’s or a girl’s name?

Across the whole record Alastair is a boy’s name — 0.0% of the 1,364 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% boys.

Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.

Names that peaked alongside Alastair

Where Alastair is most concentrated

How much more common the name is in each state than across the country as a whole.

Explore further

See Alastair on the interactive charts

Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org