The name Kael is a girl's name meaning "dog; whole heart; slender".

A fast rising choice for boys in the US in 2025, this variation of the Biblical Caleb and the Irish Cael, Kael has very occasionally been given to girls too. 

Kael

The name Kael peaked for girls at #15381 in 2015. Kael is also used for boys, ranking #903 in 2025.

The name Kael is a boy's name of Hebrew, Spanish, English origin meaning "dog; whole heart; slender; Gaelic".

4 Letter Boy Names

Names Ending in L for Boys

One Syllable Names for Boys

Names that Peaked in 2006

Likely borrowed from Kale or Cale, both short forms of the Biblical Caleb, Kael may also be used as an Anglicization of the Irish  Cáel or as a Spanish form of the Breton Gaël. As such, it could mean "dog" or "whole heart" via Caleb, "slender" via Cáel, and "Gaelic" via Gaël,
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 It was a fast rising choice in the US in 2025 when it jumped 536 places up the charts to re-enter the Top 1000, having been absent for several years. 

Fastest-Rising Boy Names 2025

Hebrew

Spanish

English

Irish

Nameberry

Future

The name Kael is currently ranked #903 in U.S. births. and peaked for boys at #851 in 2009. The name is most popular in Iowa, Iowa, and New Jersey. Kael is occasionally used for girls in 2015.

Kael

About Kael

Kael on lists

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