Oonagh is a girl name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Oonagh across the United States, UK, Ireland and New Zealand, how popular Oonagh has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 75 births |
| England & Wales since 1996 | 243 births |
| Scotland since 1974 | 48 births |
| Northern Ireland since 1997 | 105 births |
| Ireland since 1964 | 661 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Oonagh per year, Ireland (1964 to 2025). Ireland peaked in 1973 (37/yr) · England & Wales peaked in 2022 (16/yr) · Northern Ireland peaked in 1997 (11/yr) · United States peaked in 2016 (8/yr) · Scotland peaked in 2019 (6/yr).
Oonagh is a rare baby name in the United States. It was most common in 2016, when it ranked #19,975 nationally (given to 26 babies that year).
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