Nain is a rare variant of Nan that peaked in 2007 and remains in steady use.
Nain is predominantly a boy name. In 2025 it ranked #6,057 for boy births in the United States (and #12,740 across all names), given to 15 babies. Nain first appears in 1991 and peaked in 2007 (22 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 15 | 15 | — | #6,057 |
| 2024 | 18 | 18 | — | #5,377 |
| 2023 | 11 | 11 | — | #7,597 |
| 2022 | 11 | 11 | — | #7,589 |
| 2021 | 21 | 21 | — | #4,728 |
| 2020 | 5 | 5 | — | #13,456 |
| 2019 | 5 | 5 | #17,266 | — |
| 2018 | 6 | 6 | — | #11,724 |
| 2017 | 8 | 8 | — | #9,438 |
| 2016 | 12 | 12 | — | #7,019 |
| 2015 | 15 | 15 | — | #5,909 |
| 2014 | 11 | 11 | — | #7,391 |
| 2013 | 7 | 7 | — | #10,392 |
| 2012 | 8 | 8 | — | #9,446 |
| 2011 | 10 | 10 | — | #7,908 |
| 2010 | 8 | 8 | — | #9,400 |
| 2009 | 7 | 7 | — | #10,637 |
| 2008 | 15 | 15 | — | #5,976 |
| 2007 | 22 | 22 | — | #4,461 |
| 2006 | 6 | 6 | — | #11,608 |
| 2005 | 11 | 11 | — | #6,964 |
| 2004 | 7 | 7 | — | #9,633 |
| 2003 | 9 | 9 | — | #7,652 |
| 2002 | 9 | 9 | — | #7,455 |
| 2001 | 8 | 8 | — | #8,073 |
| 2000 | 9 | 9 | — | #7,224 |
| 1996 | 5 | — | — | #10,050 |
| 1995 | 8 | — | — | #6,798 |
| 1993 | 5 | — | — | #9,710 |
| 1992 | 12 | — | — | #4,774 |
| 1991 | 5 | — | — | #9,166 |