Caitlinn
- US rank
- Unranked
- Syllables
- 2
- Peak
- #5,937 in 2000
0 babies were named Caitlinn in the US in 2025.
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US births per million girls, 1988–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Caitlinn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryCaitlinn first shows up in US birth records in 1988, the first year at least 5 babies got it. It has been in use for 37 years since.
- Best yearIts best year was 2000, when it reached #5,937.
About the name Caitlinn
Caitlinn is a girl name of Irish origin. It has 8 letters and 2 syllables, starting with C and ending in “-inn”. US birth records list Caitlinn for girls from 1988 to 2010, in 15 of those 23 years. Its best year was 2000, when it ranked #5,937 among girl names. It hasn't been given to 5 or more US babies in a year since 2010, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1980s | 5.2 | 192,308 girls |
| 1990s | 4.2 | 238,663 girls |
| 2000s | 1.8 | 568,182 girls |
| 2010s | 3.9 | 256,410 girls |
Other spellings of Caitlinn
More Irish girl names
- Girl name: Abigail · my father is joy
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Rylee · rye clearing
- Unisex name: Sloane · raider
- Unisex name: Alani · orange tree
- Girl name: Everleigh · boar clearing
Questions about the name Caitlinn
What is the origin of the name Caitlinn?
Caitlinn has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.
Is Caitlinn a boy or girl name?
Caitlinn is a girl name.
How popular is the name Caitlinn?
Caitlinn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2010. It peaked at #5,937 in 2000.