Cecilly vs Cecilia

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

Name A

Cecilly

Girl name

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Name B

Cecilia

Girl name · Rank #123

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Which name is more popular?

Metric Cecilly Cecilia
Current Rank Unranked #123
Total Births (all years) 17 111,511
Peak Year 1989 2025
Peak Year Births 7 2,506
Peak Decade 1980ss 2010ss
Gender Girl Girl
First Recorded Year 1988 1880

Births by Decade

Decade Cecilly Cecilia
1880ss — 630
1890ss — 1,504
1900ss — 2,318
1910ss — 5,705
1920ss — 6,907
1930ss — 5,028
1940ss — 8,006
1950ss — 9,983
1960ss — 7,852
1970ss — 5,569
1980ss 12 6,988
1990ss 5 10,114
2000ss — 11,984
2010ss — 16,150
2020ss — 12,773

Recent Annual Births (2014–present)

Year Cecilly Cecilia
2014 — 1,640
2015 — 1,782
2016 — 1,827
2017 — 1,815
2018 — 1,809
2019 — 1,861
2020 — 1,860
2021 — 2,095
2022 — 2,006
2023 — 2,058
2024 — 2,248
2025 — 2,506

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, 1988–1991.

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