Katilyn
Girl name · English · Greek · Irish
- US rank
- Unranked
- Syllables
- 3
- Peak
- #1,550 in 1995
0 babies were named Katilyn in the US in 2025.
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US births per million girls, 1980–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Katilyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryKatilyn first shows up in US birth records in 1980, the first year at least 5 babies got it. It has been in use for 45 years since.
- Best yearIts best year was 1995, when it reached #1,550.
About the name Katilyn
Katilyn is a girl name of English, Greek and Irish origin. It has 7 letters and 3 syllables, starting with K and ending in “-lyn”. US birth records list Katilyn for girls from 1980 to 2019, in 38 of those 40 years. Its best year was 1995, when it ranked #1,550 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:English namesGreek namesIrish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1980s | 8.4 | 119,190 girls |
| 1990s | 45 | 22,396 girls |
| 2000s | 34 | 29,412 girls |
| 2010s | 9.4 | 106,838 girls |
Other spellings of Katilyn
More English girl names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Unisex name: Harper · harp player
- Girl name: Elizabeth · God is my oath
- Girl name: Lily · lily flower
- Girl name: Lucy · light
- Girl name: Lainey · possibly light
- Girl name: Scarlett · scarlet red
Questions about the name Katilyn
What is the origin of the name Katilyn?
Katilyn has English, Greek, Irish roots in our records. Other English names include Olivia, Charlotte, Harper.
Is Katilyn a boy or girl name?
Katilyn is a girl name.
How popular is the name Katilyn?
Katilyn 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 #1,550 in 1995.