Si vs Silas

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

Name A

Si

Boy name

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Name B

Silas

Boy name · Rank #81

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Which name is more popular?

Metric Si Silas
Current Rank Unranked #81
Total Births (all years) 166 70,772
Peak Year 2013 2024
Peak Year Births 15 4,108
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 1927 1880

Births by Decade

Decade Si Silas
1880ss — 775
1890ss — 631
1900ss — 509
1910ss — 1,553
1920ss 5 2,031
1930ss 8 1,482
1940ss 5 1,276
1950ss 5 1,050
1960ss — 753
1970ss 14 922
1980ss 38 1,175
1990ss 20 1,906
2000ss 32 7,308
2010ss 39 29,617
2020ss — 19,784

Recent Annual Births (2014–present)

Year Si Silas
2014 5 2,934
2015 — 3,191
2016 — 3,416
2017 6 3,338
2018 — 3,516
2019 — 3,564
2020 — 3,642
2021 — 3,912
2022 — 4,025
2023 — 4,097
2024 — 4,108

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, 1927–2017.

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