Kaetlyn
- US rank
- Unranked
- Syllables
- 2
- Peak
- #2,328 in 1997
0 babies were named Kaetlyn in the US in 2025.
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US births per million girls, 1985–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Kaetlyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryKaetlyn first shows up in US birth records in 1985, the first year at least 5 babies got it. It has been in use for 40 years since.
- Best yearIts best year was 1997, when it reached #2,328.
About the name Kaetlyn
Kaetlyn is a girl name of Irish origin. It has 7 letters and 2 syllables, starting with K and ending in “-lyn”. US birth records list Kaetlyn for girls from 1985 to 2019, in 29 of those 35 years. Its best year was 1997, when it ranked #2,328 among girl names. It hasn't been given to 5 or more US babies in a year since 2019, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1980s | 2.2 | 446,429 girls |
| 1990s | 14 | 72,098 girls |
| 2000s | 12 | 85,034 girls |
| 2010s | 3.0 | 332,226 girls |
Other spellings of Kaetlyn
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 Kaetlyn
What is the origin of the name Kaetlyn?
Kaetlyn has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.
Is Kaetlyn a boy or girl name?
Kaetlyn is a girl name.
How popular is the name Kaetlyn?
Kaetlyn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2019. It peaked at #2,328 in 1997.