Sionna vs Siobhan

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

Name A

Sionna

Girl name

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Name B

Siobhan

Girl name · Rank #1922

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Which name is more popular?

Metric Sionna Siobhan
Current Rank Unranked #1922
Total Births (all years) 62 7,310
Peak Year 2008 1980
Peak Year Births 7 282
Peak Decade 2000ss 1980ss
Gender Girl Girl
First Recorded Year 1994 1956

Births by Decade

Decade Sionna Siobhan
1950ss — 265
1960ss — 870
1970ss — 996
1980ss — 2,086
1990ss 5 1,334
2000ss 25 758
2010ss 20 548
2020ss 12 453

Recent Annual Births (2014–present)

Year Sionna Siobhan
2014 5 54
2015 — 56
2016 — 52
2017 — 33
2018 5 44
2019 — 47
2020 5 64
2021 7 100
2022 — 84
2023 — 102
2024 — 103

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, 1994–2021.

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