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Kaelyn

“The name 'Kaelyn' is a modern American invention, typically meaning "slender" or "fair," derived from the Irish Gaelic name *Caoilfhionn* (caoil meaning "slender" and fionn meaning "fair" or "white").”

English (Modern) · Girl · 2 syllables

K
Top 5,000

Popularity & facts

Relative popularity index, 2010–2025
GenderGirl
US Rank#1,601
TrendFalling ↓
Peak year2009
Syllables2
OriginEnglish (Modern)
LanguageEnglish (Modern)
CultureEnglish (Modern)
Letters6
Numerology5 Chaldean 8
Global rank#570

Popularity over time

Popularity index
Hover the line to see any year. 100 = most popular.

Historical popularity from 1880–2025 · US Social Security Administration data

About the name Kaelyn

The name 'Kaelyn' is a modern American invention, typically meaning "slender" or "fair," derived from the Irish Gaelic name *Caoilfhionn* (caoil meaning "slender" and fionn meaning "fair" or "white").

Cross-referenced with Behind the Name. AI-assisted, community-reviewable. Suggest an improvement.

Etymology

The name 'Kaelyn' is a modern American invention, typically meaning "slender" or "fair," derived from the Irish Gaelic name *Caoilfhionn* (caoil meaning "slender" and fionn meaning "fair" or "white"). It is used primarily in English-speaking cultures, particularly the United States, with no specific religious or notable historical context, emerging as a variant of Kaylyn or Caitlin in the late 20th century.

Kaelyn currently ranks #1,601 in the United States as a girl's name. It reached its peak popularity around 2009.

Variants & nicknames

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