NameTrends.U.S. Baby Name Data

Cillian Boys

The U.S. popularity history of Cillian: every year it appeared on the national list since 1995, with 4,084 recorded births in total. All figures come from official Social Security card application data.

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Total recorded births
4,084
Peak year
2024 #463
Years on the list
25
10-year trend
+155.1%

In the 2020s · Most used in NY in {year}

Popularity history

1995–2025

YearBirthsRank
201166#2040
201273#1946
201377#1853
201487#1734
2015121#1418
2016177#1107
2017170#1126
2018193#1052
2019186#1078
2020228#957
2021341#747
2022353#736
2023477#594
2024668#463
2025595#507

Most recent years shown. The full curve above covers every year the name appeared.

Where {name} was most used in 2024

NY
67
CA
64
PA
43
FL
40
MA
35
TX
32

Names from the same era

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Curious how it stacks up against another name? Compare with the other sex → Compare with Noah →