Oonagh is a very rare girls' name that peaked in 2016 and has since faded.
Oonagh is a girl name. It last appears in U.S. records in 2024. Oonagh first appears in 1997 and peaked in 2016 (8 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2024 | 6 | 6 | #14,847 |
| 2022 | 6 | 6 | #14,864 |
| 2020 | 7 | 7 | #13,119 |
| 2019 | 6 | 6 | #15,130 |
| 2018 | 6 | 6 | #15,185 |
| 2017 | 8 | 8 | #12,462 |
| 2016 | 8 | 8 | #12,600 |
| 2015 | 6 | 6 | #15,926 |
| 2011 | 5 | 5 | #18,864 |
| 2007 | 6 | 6 | #17,080 |
| 2000 | 6 | 6 | #14,541 |
| 1997 | 5 | — | #15,473 |