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Home › Baby Names Directory › Katilyn

Katilyn

♀ Girl

How to Pronounce Katilyn

Pronounced KAYT-lin /ˈkeɪt.lɪn/Medium

Meaning: Katilyn is a respelling of Caitlin/Katelyn, the Irish Caitlín being a form of Katherine, from Greek katharos, 'pure.' The Kat-i-lyn spelling sounds the name out in one of the many 1990s variants.Medium

In 30 seconds: Katilyn is Caitlin/Katelyn spelled by ear (said 'KAYT-lin') — an Irish form of Katherine, 'pure.'
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Origin MediumIrish, Greek
MeaningKatilyn is a respelling of Caitlin/Katelyn, the Irish Caitlín being a form of Katherine, from Greek katharos, 'pure.' The Kat-i-lyn spelling sounds the name out in one of the many 1990s variants.
U.S. rank (2019)#14668 ↗ Rising
2019 U.S. births6 girls (0.00% of U.S. girls)
Peak year1998
Total births (all-time)≈ 1,737
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Popularity in the U.S. · SSA data

peak 199819802019

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Katilyn respells Caitlin — the Irish Caitlín, a form of Katherine from Greek katharos, 'pure.' It belongs to the great 1990s wave of Caitlin, Katelyn, and Kaitlyn spellings and peaked in 1998; a girl named then is now in her late twenties.

The meaning descends from Katherine; only the spelling is invented, and it reads as a 90s variant rather than a reviving classic. Parents who like it usually also weigh Caitlin, Katelyn, and Kaitlyn.

Did you know? Katilyn is one of dozens of Caitlin spellings that multiplied in the 1990s, cresting in 1998.
Overall data confidence 60%
References — Katilyn — Respelling of Caitlin/Katelyn (Irish Caitlín, from Katherine); peak 1998

Variations

CaitlinKatelynKaitlyn

Nicknames

KateKatLynn

Famous Bearers

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If you like Katilyn…

Caitlin— the Irish base name Katilyn respells
Katelyn— a like popular spelling of the same name
Kaitlyn— a same-era respelling of Caitlin
Katherine— the classical root name behind the family

Explore names like Katilyn

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Frequently Asked

What does the name Katilyn mean?

Katilyn is a respelling of Caitlin/Katelyn, an Irish form of Katherine, Greek for 'pure.'

How do you pronounce Katilyn?

It's said KAYT-lin /ˈkeɪt.lɪn/ — two syllables, stress on the first.

Is Katilyn a boy or girl name?

Katilyn is used as a girl's name.

How popular is Katilyn?

Katilyn was an uncommon spelling of Caitlin that crested in the late nineties.

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