Boy Name · Irish Origin
Kellen
Last reviewed: June 2026
Considering Kellen? It is a boy name whose meaning is "Swamp, slender", rooted in Irish naming tradition, and ranks in our Rare popularity tier. Phonetically it shares territory with Kylen.
Names like Kellen
Frequently asked about Kellen
What does the name Kellen mean?
Kellen means "Swamp, slender" and is of Irish origin.
What is the origin of Kellen?
Kellen originates in Irish naming tradition.
How do you pronounce Kellen?
Kellen has 6 letters and is most commonly stressed on the first syllable.
Is Kellen a boy's or girl's name?
Kellen is primarily used as a boy's name in US records.
How popular is Kellen in 2026?
In our 2026 popularity tracker, Kellen sits in the Rare tier — an uncommon, standout choice.
What names are similar to Kellen?
Names that share Kellen's sound and style include Kylen, Kolleen, Kalen, Kayleen, Kellan.