Masculine dossier · first seen 1989
Alasdair
Rising
Gaining cultural share
Peak era
2021
Peak births
37
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Alasdair
How many people are named Alasdair?
An estimated 519 living Americans are named Alasdair.
How rare is Alasdair?
Alasdair is very rare among babies today, with 28 boys receiving the name in 2025, down 24.3% from its 2021 peak.
How old is the typical Alasdair?
The median age of a living American named Alasdair is approximately 11 years, with most bearers falling between 5 and 17 years old.
Is Alasdair still popular?
Yes — Alasdair is currently rising in popularity, with 28 births in 2025. Births this decade are running about 1.3× higher than the previous decade.
1989Peak 20212025
Peak year
2021
Decline from peak
24.3%
2025
28
All-time
525