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Kallen
BoyMeaning of Kallen: Irish: 'slender'
Kallen is a boy's name most strongly associated with Irish naming. It has 6 letters and 2 syllables, and it is familiar but far from overused — 1261st most popular boys' name in the United States in 2025 and 5119th in England & Wales.
US rank 2025
#1261
158 babies in 2025
England & Wales 2024
#5119
3 babies in 2024
US babies since 1880
3,103
First recorded 1963 · peak 2014
Trend
stable
Style: uncommon
Popularity over time
Gender split
88% boys · 12% girls, based on US, UK and international usage.
Origins & cultures
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