Brantly is a rare variant of Brantley that peaked in 2013 and has since faded.
Brantly is predominantly a boy name. In 2025 it ranked #12,311 for boy births in the United States (and #25,395 across all names), given to 5 babies. Brantly first appears in 1972 and peaked in 2013 (103 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 5 | 5 | — | #12,311 |
| 2024 | 5 | 5 | — | #12,608 |
| 2023 | 7 | 7 | — | #9,891 |
| 2022 | 11 | 11 | — | #7,333 |
| 2021 | 12 | 12 | — | #6,761 |
| 2020 | 18 | 18 | — | #5,065 |
| 2019 | 25 | 25 | — | #4,128 |
| 2018 | 21 | 21 | — | #4,620 |
| 2017 | 29 | 29 | — | #3,689 |
| 2016 | 29 | 29 | — | #3,695 |
| 2015 | 62 | 62 | — | #2,194 |
| 2014 | 82 | 82 | — | #1,815 |
| 2013 | 103 | 103 | — | #1,541 |
| 2012 | 96 | 96 | #17,332 | #1,676 |
| 2011 | 53 | 53 | — | #2,379 |
| 2010 | 17 | 17 | — | #5,279 |
| 2009 | 12 | 12 | — | #6,860 |
| 2008 | 13 | 13 | — | #6,444 |
| 2007 | 19 | 19 | — | #4,830 |
| 2006 | 10 | 10 | — | #7,496 |
| 2005 | 13 | 13 | — | #5,915 |
| 2004 | 15 | 15 | — | #5,281 |
| 2003 | 9 | 9 | — | #7,311 |
| 2002 | 15 | 15 | — | #4,938 |
| 2001 | 11 | 11 | — | #6,068 |
| 2000 | 15 | 15 | — | #4,810 |
| 1999 | 11 | 11 | — | #5,702 |
| 1998 | 11 | 11 | — | #5,510 |
| 1997 | 6 | — | — | #8,249 |
| 1996 | 11 | — | — | #5,221 |
| 1995 | 12 | — | — | #4,827 |
| 1994 | 7 | — | — | #7,053 |
| 1993 | 12 | — | — | #4,731 |
| 1992 | 16 | — | — | #3,771 |
| 1991 | 11 | — | — | #4,795 |
| 1990 | 14 | — | — | #3,995 |
| 1989 | 16 | — | — | #3,467 |
| 1988 | 16 | — | — | #3,222 |
| 1987 | 9 | — | — | #4,610 |
| 1972 | 5 | — | — | #5,071 |