Katilynn
- US rank
- Unranked
- Syllables
- 3
- Peak
- #4,088 in 1999
0 babies were named Katilynn in the US in 2025.
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US births per million girls, 1989–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Katilynn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryKatilynn first shows up in US birth records in 1989, the first year at least 5 babies got it. It has been in use for 36 years since.
- Best yearIts best year was 1999, when it reached #4,088.
About the name Katilynn
Katilynn is a girl name of Irish origin. It has 8 letters and 3 syllables, starting with K and ending in “-ynn”. US birth records list Katilynn for girls from 1989 to 2017, in 28 of those 29 years. Its best year was 1999, when it ranked #4,088 among girl names. It hasn't been given to 5 or more US babies in a year since 2017, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1980s | 2.7 | 370,370 girls |
| 1990s | 9.8 | 101,626 girls |
| 2000s | 8.1 | 122,850 girls |
| 2010s | 4.2 | 239,521 girls |
Other spellings of Katilynn
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 Katilynn
What is the origin of the name Katilynn?
Katilynn has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.
Is Katilynn a boy or girl name?
Katilynn is a girl name.
How popular is the name Katilynn?
Katilynn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2017. It peaked at #4,088 in 1999.