The name Kailani is a boy's name of Hawaiian origin meaning "sea and sky".

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While Kailani is used predominantly as a feminine name in the US, where it ranks in the Top 300 for girls, Kailani is a unisex option, blending the elements kai ("sea, ocean") with lani ("sky, heavens") to create a melodic and nature connected choice. Given to 1215 girls in a recent year and less than five boys, it nevertheless has been given to a small number of boys in the past.

Kailani

Hawaiian

The name Kailani peaked for boys at #9330 in 2023. Kailani is also used for girls, ranking #253 in 2025.

The name Kailani is a girl's name of Hawaiian origin meaning "sea and sky".

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Bright, melodic, and nature inspired, Kailani blends the appeal of Kaia and Leilani in terms of sounds, while in meaning, it matches the draw of Skye, Ocean, and Celeste. Derived from Hawaiian elements kai ("sea, ocean") and lani ("sky, heaven"), it debuted in the US Top 1000 in 2013, having been on the rise since the early 2000s.
 
Also popular in Puerto Rico and Mexico, Kailani ranked in the Top 300 in a recent year and has been joined in the charts by Portuguese and Brazilian spelling Kailany and by Kaylani (which may also be a variation of Keilani). Given to 1215 girls in a recent year, when you view the spelling variations collectively, it begins to feel like a Top 70 choice, ranking alongside Zoey, Claire, and Eden in the same year.
 
Traditionally used as a unisex name in Hawaii (and given to a small handful of boys in the US most years), a notable bearer is Australian figure-skater, Kailani Craine.

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The name Kailani is currently ranked #253 in U.S. births. and peaked for girls at #222 in 2022. The name is most popular in Hawaii, Hawaii, and Hawaii. Kailani is occasionally used for boys in 2023.

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