Sionainn is a girl name with a rare feel, drawn from real birth records.
| Country | Births on record |
|---|---|
| Ireland since 1964 | 3 births |
Counts come from national birth registrations: the U.S. Social Security Administration, England & Wales (ONS) and Ireland (CSO). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Sionainn per year — Ireland (1964–2025). Ireland peaked in 2023 (3/yr).
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