Teaghan is a rare girls' name that peaked in 2011 and has since faded.
Teaghan is predominantly a girl name. In 2025 it ranked #8,307 for girl births in the United States (and #14,230 across all names), given to 13 babies. Teaghan first appears in 1993 and peaked in 2011 (91 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 13 | 13 | #8,307 | — |
| 2024 | 15 | 15 | #7,564 | — |
| 2023 | 38 | 38 | #3,978 | — |
| 2022 | 36 | 36 | #4,101 | — |
| 2021 | 31 | 31 | #5,386 | #10,682 |
| 2020 | 49 | 49 | #3,219 | — |
| 2019 | 27 | 27 | #5,025 | — |
| 2018 | 33 | 33 | #4,349 | — |
| 2017 | 47 | 47 | #3,690 | #14,041 |
| 2016 | 38 | 38 | #3,990 | — |
| 2015 | 47 | 47 | #4,138 | #7,451 |
| 2014 | 33 | 33 | #4,442 | — |
| 2013 | 58 | 58 | #3,121 | #13,840 |
| 2012 | 75 | 75 | #2,626 | #12,122 |
| 2011 | 99 | 99 | #2,120 | #9,502 |
| 2010 | 87 | 87 | #2,404 | #9,581 |
| 2009 | 67 | 67 | #2,886 | #12,318 |
| 2008 | 64 | 64 | #2,991 | #14,371 |
| 2007 | 45 | 45 | #3,974 | #14,174 |
| 2006 | 32 | 32 | #4,562 | — |
| 2005 | 35 | 35 | #4,570 | #13,155 |
| 2004 | 33 | 33 | #4,275 | — |
| 2003 | 28 | 28 | #4,658 | — |
| 2002 | 20 | 20 | #5,883 | — |
| 2001 | 25 | 25 | #5,796 | #12,128 |
| 2000 | 19 | 19 | #5,920 | — |
| 1999 | 17 | 17 | #6,168 | — |
| 1998 | 11 | 11 | #8,529 | — |
| 1997 | 11 | — | #8,292 | — |
| 1996 | 5 | — | #15,669 | — |
| 1993 | 7 | — | #11,688 | — |