n.

Cillian

Masculine #934 in 2024
Total births
3,492
Peak year
2024
Rank 2024
#934
Years on record
24
Births per year, 1995–2024 · peak 674 in 2024
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About the name Cillian

Cillian ranked #934 among U.S. baby names in 2024. Since 1995, 3,492 babies have been named Cillian, peaking in 2024 with 674 births. The 2020s were its biggest decade, with 2,070 births. Cillian is on the rise, up about 144% over the past five years. It is predominantly a boys' name.

How popular is the name Cillian?
Cillian ranked #934 among U.S. baby names in 2024, with 3,492 babies given the name since 1995.
When did the name Cillian peak?
Cillian peaked in 2024, when 674 babies were given the name.
Is Cillian a girl's or boy's name?
Cillian is predominantly given to boys in the United States.

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