Ioan is a very rare variant of Iona that peaked in 2014 and has grown less common since.
Ioan is predominantly a boy name. In 2025 it ranked #11,185 for boy births in the United States (and #23,074 across all names), given to 6 babies. Ioan first appears in 1917 and peaked in 2014 (11 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 6 | 6 | — | #11,185 |
| 2024 | 7 | 7 | — | #10,295 |
| 2023 | 6 | 6 | — | #11,372 |
| 2021 | 6 | 6 | — | #11,284 |
| 2020 | 9 | 9 | — | #8,320 |
| 2019 | 5 | 5 | — | #12,887 |
| 2016 | 6 | 6 | — | #11,248 |
| 2015 | 6 | 6 | — | #11,220 |
| 2014 | 11 | 11 | — | #7,232 |
| 2013 | 7 | 7 | — | #10,062 |
| 2012 | 9 | 9 | — | #8,425 |
| 2010 | 10 | 10 | — | #7,800 |
| 2009 | 7 | 7 | — | #10,260 |
| 2008 | 8 | 8 | — | #9,318 |
| 2007 | 6 | 6 | — | #11,454 |
| 2006 | 9 | 9 | — | #8,269 |
| 2005 | 6 | 6 | — | #10,600 |
| 2004 | 8 | 8 | — | #8,431 |
| 1917 | 5 | — | #4,918 | — |