Siobhan vs Sion

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

Name A

Siobhan

Girl name · Rank #1922

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Name B

Sion

Boy name · Rank #3601

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Which name is more popular?

Metric Siobhan Sion
Current Rank #1922 #3601
Total Births (all years) 7,310 756
Peak Year 1980 2022
Peak Year Births 282 43
Peak Decade 1980ss 2010ss
Gender Girl Boy
First Recorded Year 1956 1912

Births by Decade

Decade Siobhan Sion
1910ss — 5
1920ss — 10
1940ss — 5
1950ss 265 —
1960ss 870 —
1970ss 996 41
1980ss 2,086 24
1990ss 1,334 56
2000ss 758 187
2010ss 548 241
2020ss 453 187

Recent Annual Births (2014–present)

Year Siobhan Sion
2014 54 25
2015 56 22
2016 52 18
2017 33 18
2018 44 21
2019 47 38
2020 64 37
2021 100 33
2022 84 43
2023 102 43
2024 103 31

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, 1956–2024.

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