Gaelen is a very rare variant of Galen that was most common in the 1990s and has all but disappeared.
Gaelen is predominantly a boy name. It last appears in U.S. records in 2008. Gaelen first appears in 1967 and peaked in 1996 (14 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2008 | 7 | 7 | — | #10,227 |
| 2006 | 5 | 5 | #18,076 | — |
| 2004 | 6 | 6 | — | #10,404 |
| 2003 | 5 | 5 | — | #11,466 |
| 2002 | 6 | 6 | — | #9,780 |
| 2001 | 6 | 6 | — | #9,675 |
| 2000 | 9 | 9 | — | #7,016 |
| 1999 | 5 | 5 | — | #10,462 |
| 1998 | 11 | 11 | — | #5,595 |
| 1997 | 14 | — | #11,227 | #7,553 |
| 1996 | 14 | — | — | #4,460 |
| 1995 | 13 | — | — | #4,609 |
| 1994 | 12 | — | — | #4,893 |
| 1991 | 6 | — | — | #7,585 |
| 1990 | 9 | — | — | #5,523 |
| 1989 | 7 | — | — | #6,453 |
| 1987 | 9 | — | — | #4,688 |
| 1986 | 6 | — | — | #6,197 |
| 1985 | 7 | — | — | #5,344 |
| 1983 | 6 | — | — | #5,717 |
| 1982 | 5 | — | — | #6,690 |
| 1967 | 6 | — | #6,276 | — |