Cynthia vs Cyndi

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

Name A

Cynthia

Girl name · Rank #827

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Name B

Cyndi

Girl name · Rank #15512

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Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

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

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, 1880–2024.

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