Sydney vs Sydni

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

Name A

Sydney

Girl name · Rank #288

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Name B

Sydni

Girl name · Rank #7291

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Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

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

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, 1886–2024.

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