Cyndi vs Cynthia

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

Name A

Cyndi

Girl name · Rank #15512

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Name B

Cynthia

Girl name · Rank #827

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Which name is more popular?

Metric Cyndi Cynthia
Current Rank #15512 #827
Total Births (all years) 3,568 711,201
Peak Year 1959 1957
Peak Year Births 230 39,340
Peak Decade 1960ss 1950ss
Gender Girl Girl
First Recorded Year 1946 1880

Births by Decade

Decade Cyndi Cynthia
1880ss — 582
1890ss — 701
1900ss — 694
1910ss — 1,911
1920ss — 3,661
1930ss — 9,666
1940ss 55 58,060
1950ss 765 263,429
1960ss 1,273 196,596
1970ss 539 80,200
1980ss 436 41,667
1990ss 247 31,312
2000ss 176 15,170
2010ss 72 5,945
2020ss 5 1,607

Recent Annual Births (2014–present)

Year Cyndi Cynthia
2014 10 635
2015 8 580
2016 — 552
2017 11 462
2018 — 419
2019 8 378
2020 — 308
2021 — 346
2022 — 314
2023 — 308
2024 5 331

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, 1946–2024.

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