Maclain is a rare boys' name that peaked in 2007 and has grown less common since.
Maclain is predominantly a boy name. In 2025 it ranked #11,492 for boy births in the United States (and #23,699 across all names), given to 6 babies. Maclain first appears in 1988 and peaked in 2007 (22 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 6 | 6 | — | #11,492 |
| 2024 | 9 | 9 | — | #8,728 |
| 2023 | 9 | 9 | — | #8,664 |
| 2022 | 12 | 12 | — | #7,077 |
| 2021 | 9 | 9 | — | #8,587 |
| 2020 | 6 | 6 | — | #11,458 |
| 2019 | 7 | 7 | — | #10,415 |
| 2018 | 12 | 12 | — | #6,972 |
| 2017 | 14 | 14 | — | #6,220 |
| 2016 | 8 | 8 | — | #9,371 |
| 2015 | 11 | 11 | — | #7,361 |
| 2014 | 11 | 11 | — | #7,357 |
| 2013 | 8 | 8 | — | #9,342 |
| 2012 | 5 | 5 | — | #13,465 |
| 2011 | 17 | 17 | #18,472 | #6,855 |
| 2010 | 14 | 14 | — | #6,249 |
| 2009 | 9 | 9 | — | #8,741 |
| 2008 | 18 | 18 | — | #5,184 |
| 2007 | 22 | 22 | — | #4,454 |
| 2006 | 18 | 18 | — | #4,977 |
| 2005 | 15 | 15 | — | #5,469 |
| 2004 | 17 | 17 | — | #4,919 |
| 2003 | 16 | 16 | — | #4,956 |
| 2002 | 17 | 17 | — | #4,623 |
| 2001 | 13 | 13 | — | #5,558 |
| 2000 | 19 | 19 | — | #4,153 |
| 1999 | 14 | 14 | — | #4,928 |
| 1998 | 13 | 13 | — | #5,074 |
| 1997 | 15 | — | — | #4,386 |
| 1996 | 14 | — | — | #4,531 |
| 1995 | 13 | — | — | #4,697 |
| 1994 | 8 | — | — | #6,753 |
| 1992 | 9 | — | — | #5,950 |
| 1991 | 11 | — | — | #4,976 |
| 1988 | 5 | — | — | #8,050 |