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Kathelyn

♀ Girl

Pronounced KATH-uh-lin /ˈkæθ.ə.lɪn/High

Meaning: A modern spelling in the Kathleen/Katelyn family, all growing from Katherine — traditionally glossed 'pure,' by association with the Greek katharos, though the true origin is debated. Kathleen is the Irish form.Low

In 30 seconds: A soft Katherine cousin: Kathelyn sits with Kathleen and Katelyn (said 'KATH-uh-lin'). Traditionally glossed 'pure.'

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Origin LowEnglish, Irish

MeaningA modern spelling in the Kathleen/Katelyn family, all growing from Katherine — traditionally glossed 'pure,' by association with the Greek katharos, though the true origin is debated. Kathleen is the Irish form.

U.S. rank (2024)#14297 ↗ Rising

2024 U.S. births6 girls (0.00% of U.S. girls)

Peak year1990

Total births (all-time)≈ 244

Popularity in the U.S. · SSA data

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

Kathelyn is a modern spelling in the Kathleen/Katelyn family, all descended from Katherine — a name traditionally read as 'pure,' from the Greek katharos, though its true origin is debated. Kathleen carried the name through Ireland and Irish America; Katelyn and its many spellings followed in the twentieth century (said 'KATH-uh-lin').

It appears only rarely in the U.S. Rare, gentle, and Katherine-rooted.

Did you know? Kathleen is the Irish form of Katherine, and Katelyn its modern American cousin — Kathelyn threads between them, carrying the same old gloss of 'pure.'

Overall data confidence 40%

References — Kathelyn — Kathleen/Katelyn family; Katherine root; 'pure' gloss traditional

Variations

KathleenKatelynCathelyn

Nicknames

KathKathyLyn

Famous Bearers

Famous bearers coming soon.

If you like Kathelyn…

Kathleen— the Irish name Kathelyn echoes

Katelyn— a like modern -lyn form

Kaitlyn— a like popular spelling

Madelyn— a like soft -lyn pick

Explore names like Kathelyn

By thememodern respelling irish-adjacent katherine-family

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Frequently Asked

What does the name Kathelyn mean?

Kathelyn belongs to the Kathleen/Katherine family, traditionally glossed 'pure' from the Greek katharos.

How do you pronounce Kathelyn?

It's said KATH-uh-lin — three syllables, stress on the first.

Is Kathelyn a boy or girl name?

Kathelyn is used as a girl's name.

How popular is Kathelyn?

Kathelyn is rare in the U.S., while Kathleen and Katelyn are far more familiar.