Allistair
Meaningdefender of men · English form of Alasdair
- US rank
- #10,695
- Syllables
- 3
- Peak
- #7,173 in 2019
6 babies were named Allistair in the US in 2025. It has dropped 90 places in five years.
Save adds it to your list. Vote moves it up the top voted names.
US births per million boys, 2006–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Allistair you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 285,714 baby boys born in the US in 2025 was named Allistair, 6 babies in all. In a typical school of 500 kids, your Allistair would very likely be the only one.
- HistoryAllistair first shows up in US birth records in 2006, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2019, when it reached #7,173.
- New on the sceneAllistair wasn't given to enough babies to be counted in 2000. It only took off after 2006.
- TrendAllistair has slipped 90 places over the last five years and now sits at #10,695. Good news if you want a familiar name that fewer kids will share.
- MeaningAllistair is an English form of Alasdair, which means “defender of men”.
About the name Allistair
Allistair is a boy name of English origin meaning “defender of men”. It has 9 letters and 3 syllables, starting with A and ending in “-air”. US birth records list Allistair for boys from 2006 to 2025, in 13 of those 20 years. Its best year was 2019, when it ranked #7,173 among boy names. In 2025 it ranked #10,695, with 6 babies.
Origin:English names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 0.6 | 1,666,667 boys |
| 2010s | 2.8 | 361,011 boys |
| 2020s | 3.2 | 314,136 boys |
Other spellings of Allistair
More English boy names
- Boy name: Oliver · olive tree
- Boy name: Henry · ruler of the home
- Unisex name: James · supplanter
- Boy name: William · resolute protector
- Boy name: Benjamin · son of the right hand
- Boy name: Jack · God is gracious
- Unisex name: Hudson · son of Hudde
- Unisex name: Julian · of the Julius family
Questions about the name Allistair
What does the name Allistair mean?
Allistair means “defender of men” in English, as a form of Alasdair.
What is the origin of the name Allistair?
Allistair has English roots in our records. Other English names include Oliver, Henry, James.
Is Allistair a boy or girl name?
Allistair is a boy name.
How popular is the name Allistair?
Allistair ranked #10,695 for US boys in 2025, given to 6 babies. Its best year was 2019 (#7,173).