Oonagh
Origin
Irish
Syllables
2
Peak era
Rare
Today
▬ Steady
Meaning
unity, one (anglicized form of Úna)
Popularity, 1890–2024
1890srare in US records2020s
Shape drawn from US Social Security baby-name records. Oonagh has stayed rare in US records the whole time: no peak decade to name.
The Oonagh deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Oonagh truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Oonagh fits with your family’s names and surname.
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