Sydni vs Sydney

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

Name A

Sydni

Girl name · Rank #7291

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Name B

Sydney

Girl name · Rank #288

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Which name is more popular?

Metric Sydni Sydney
Current Rank #7291 #288
Total Births (all years) 5,353 177,413
Peak Year 2000 2000
Peak Year Births 468 10,243
Peak Decade 2000ss 2000ss
Gender Girl Girl
First Recorded Year 1947 1886

Births by Decade

Decade Sydni Sydney
1880ss — 14
1890ss — 23
1900ss — 84
1910ss — 265
1920ss — 306
1930ss — 798
1940ss 5 1,512
1950ss — 1,522
1960ss 9 1,347
1970ss 18 931
1980ss 217 4,587
1990ss 1,946 55,756
2000ss 2,503 76,442
2010ss 575 28,081
2020ss 80 5,745

Recent Annual Births (2014–present)

Year Sydni Sydney
2014 71 2,855
2015 42 2,660
2016 40 2,322
2017 45 2,013
2018 33 1,757
2019 31 1,533
2020 28 1,245
2021 16 1,231
2022 16 1,169
2023 5 1,003
2024 15 1,097

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, 1947–2024.

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