Cilian vs Cillian

Side-by-side comparison of Cilian and Cillian — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Cilian

Boy name · Rank #14003

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Name B

Cillian

Boy name · Rank #463

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Which name is more popular?

Metric Cilian Cillian
Current Rank #14003 #463
Total Births (all years) 5 3,486
Peak Year 2024 2024
Peak Year Births 5 668
Peak Decade 2020ss 2020ss
Gender Boy Boy
First Recorded Year 2024 1995

Births by Decade

Decade Cilian Cillian
1990ss — 10
2000ss — 208
2010ss — 1,204
2020ss 5 2,064

Recent Annual Births (2014–present)

Year Cilian Cillian
2014 — 87
2015 — 121
2016 — 177
2017 — 170
2018 — 193
2019 — 186
2020 — 228
2021 — 340
2022 — 352
2023 — 476
2024 5 668

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 2024–2024.

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