Sirwilliam vs Sirius

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

Name A

Sirwilliam

Boy name

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Name B

Sirius

Boy name · Rank #2585

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Which name is more popular?

Metric Sirwilliam Sirius
Current Rank Unranked #2585
Total Births (all years) 42 724
Peak Year 2010 2022
Peak Year Births 10 61
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 2004 1999

Births by Decade

Decade Sirwilliam Sirius
1990ss — 9
2000ss 11 117
2010ss 31 319
2020ss — 279

Recent Annual Births (2014–present)

Year Sirwilliam Sirius
2014 5 25
2015 — 40
2016 5 40
2017 — 38
2018 — 43
2019 6 54
2020 — 37
2021 — 43
2022 — 61
2023 — 53
2024 — 52
2025 — 33

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, 2004–2019.

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