Killua
Boy nameKillua has been given to 118 babies in the U.S. since 2019. It peaked in 2023. In 2025, about 1 in 122,005 boys was named Killua.
Popularity over time births per year, 1880–2025
Total babies
118
Peak year
2023 (27 babies)
Rank in 2025
Below top 1000
First recorded
2019
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Killua.
Sibling name ideas for Killua
Same era and popularity as Killua, avoiding matching initials or rhymes.
FAQ
How popular is the name Killua?
Killua has been given to 118 babies in the U.S. since 2019. It ranked below the top 1000 in 2025.
When did the name Killua peak?
Killua peaked in 2023, when 27 babies were given the name.
Is Killua a girl or boy name?
Killua is primarily a boy name (100% of babies named Killua are boys).
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