Kylen is a boy name with a modern feel, drawn from real birth records. Below you'll find what Kylen means and where it comes from, plus how many babies have been named Kylen across the United States, UK, Ireland and New Zealand, how popular Kylen has been over the decades, and the year it peaked.
Kylen is a boy name of Irish (Gaelic) origin meaning “slender, narrow”. A modern name related to Kyle and Kylan.
| Country | Births on record |
|---|---|
| United States since 1880 | 5,424 births |
| England & Wales since 1996 | 153 births |
| Scotland since 1974 | 5 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Kylen per year, United States (1981 to 2025). United States peaked in 2025 (295/yr) · England & Wales peaked in 2013 (13/yr) · Scotland peaked in 2022 (5/yr).
Kylen is an uncommon baby name in the United States. It was most common in 2025, when it ranked #1,712 nationally (given to 306 babies that year).
Glen · Kaylani · Kaelyn · Kalani · Kellen · Kylian · Galen · Kaylin
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