US Popularity:8259
Origin:Scottish
Other Origin(s):Gaelic, Greek
Meaning:Man's defender; Defender of mankind
Alasdair is a traditionally masculine name that’s a Scottish Gaelic form of the Greek Alexander. A name rich with strength and power, Alexander translates to “man’s defender” or “defender of mankind.” While you’ll be baby’s defender and protector now, Alasdair can inspire baby to defend the people they love one day. Help baby hone a strong, loving heart in your bundle of joy with the title Alasdair.

How Popular Is The Name Alasdair?

U.S. Births

Overall:Alasdair is currently #8259 in U.S. births
Boy:Alasdair is currently #3850 in U.S. births

Yearly Ranking Change:

Year:
2025
#3850
in 2025
- 166
from 2024
In comparison to the previous year's data

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