Kullen is a rare boys' name that peaked in 2012 and has grown less common since.
Kullen is a boy name. In 2025 it ranked #6,299 for boy births in the United States (and #13,245 across all names), given to 14 babies. Kullen was first reported in SSA data in 1991 and peaked in 2012 (64 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 14 | 14 | #6,299 |
| 2024 | 19 | 19 | #5,179 |
| 2023 | 18 | 18 | #5,375 |
| 2022 | 16 | 16 | #5,770 |
| 2021 | 27 | 27 | #3,960 |
| 2020 | 26 | 26 | #3,977 |
| 2019 | 27 | 27 | #3,960 |
| 2018 | 27 | 27 | #3,950 |
| 2017 | 32 | 32 | #3,490 |
| 2016 | 39 | 39 | #3,040 |
| 2015 | 36 | 36 | #3,193 |
| 2014 | 45 | 45 | #2,687 |
| 2013 | 33 | 33 | #3,309 |
| 2012 | 64 | 64 | #2,119 |
| 2011 | 51 | 51 | #2,462 |
| 2010 | 54 | 54 | #2,366 |
| 2009 | 34 | 34 | #3,304 |
| 2008 | 16 | 16 | #5,660 |
| 2007 | 15 | 15 | #5,806 |
| 2006 | 9 | 9 | #8,442 |
| 2005 | 11 | 11 | #6,905 |
| 2004 | 15 | 15 | #5,391 |
| 2003 | 19 | 19 | #4,356 |
| 2002 | 8 | 8 | #8,118 |
| 2001 | 10 | 10 | #6,746 |
| 2000 | 17 | 17 | #4,494 |
| 1999 | 23 | 23 | #3,444 |
| 1998 | 11 | 11 | #5,679 |
| 1997 | 13 | — | #4,833 |
| 1996 | 16 | — | #4,114 |
| 1995 | 13 | — | #4,677 |
| 1994 | 11 | — | #5,289 |
| 1993 | 7 | — | #7,250 |
| 1992 | 8 | — | #6,438 |
| 1991 | 6 | — | #7,820 |