Gender: Girl
Meaning: Sea; keeper of the keys; earth; forgiveness
Origin: Multiple origins — Hawaiian (sea), Welsh (keeper of the keys), Japanese (shell, ocean), Scandinavian (earth)
Popularity: Ranked #1284 in 2024 with 180 babies born.
History: Kailey surged in the 2010s as another variant in the Kaylee/Kailee/Kailey family. The sheer number of spellings shows how deeply Americans love this sound. Kailey represents naming democracy — everyone spells it their way.
Similar names: kail, kaila, kailah, kailee, kaili, kaily, kahil, kaiel
Name length: 6 letters
How common is Kailey? About 1 in 18,492 babies born in 2024 were named Kailey, or roughly 0.5 per day in the United States.
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