Sydnei vs Sydney

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

Name A

Sydnei

Girl name

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Name B

Sydney

Girl name · Rank #288

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Which name is more popular?

Metric Sydnei Sydney
Current Rank Unranked #288
Total Births (all years) 635 177,413
Peak Year 2005 2000
Peak Year Births 37 10,243
Peak Decade 2000ss 2000ss
Gender Girl Girl
First Recorded Year 1988 1886

Births by Decade

Decade Sydnei Sydney
1880ss — 14
1890ss — 23
1900ss — 84
1910ss — 265
1920ss — 306
1930ss — 798
1940ss — 1,512
1950ss — 1,522
1960ss — 1,347
1970ss — 931
1980ss 15 4,587
1990ss 208 55,756
2000ss 274 76,442
2010ss 130 28,081
2020ss 8 5,745

Recent Annual Births (2014–present)

Year Sydnei Sydney
2014 16 2,855
2015 14 2,660
2016 12 2,322
2017 14 2,013
2018 6 1,757
2019 5 1,533
2020 8 1,245
2021 — 1,231
2022 — 1,169
2023 — 1,003
2024 — 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, 1988–2020.

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