Cilia vs Cillian

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

Name A

Cilia

Girl name

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Name B

Cillian

Boy name · Rank #463

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Which name is more popular?

Metric Cilia Cillian
Current Rank Unranked #463
Total Births (all years) 48 3,486
Peak Year 1984 2024
Peak Year Births 20 668
Peak Decade 1980ss 2020ss
Gender Girl Boy
First Recorded Year 1969 1995

Births by Decade

Decade Cilia Cillian
1960ss 5 —
1980ss 37 —
1990ss — 10
2000ss 6 208
2010ss — 1,204
2020ss — 2,064

Recent Annual Births (2014–present)

Year Cilia Cillian
2014 — 87
2015 — 121
2016 — 177
2017 — 170
2018 — 193
2019 — 186
2020 — 228
2021 — 340
2022 — 352
2023 — 476
2024 — 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, 1969–2006.

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