Gannon is an uncommon boys' name that peaked in 2014 and has since faded.
Gannon is predominantly a boy name. In 2025 it ranked #2,216 for boy births in the United States (and #4,761 across all names), given to 64 babies. Gannon first appears in 1966 and peaked in 2014 (751 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 64 | 64 | — | #2,216 |
| 2024 | 86 | 86 | — | #1,866 |
| 2023 | 97 | 97 | — | #1,719 |
| 2022 | 144 | 144 | — | #1,311 |
| 2021 | 200 | 200 | — | #1,068 |
| 2020 | 201 | 201 | — | #1,028 |
| 2019 | 189 | 189 | — | #1,074 |
| 2018 | 247 | 247 | — | #884 |
| 2017 | 302 | 302 | — | #776 |
| 2016 | 346 | 346 | — | #707 |
| 2015 | 540 | 540 | #17,363 | #532 |
| 2014 | 751 | 751 | — | #414 |
| 2013 | 254 | 254 | — | #841 |
| 2012 | 174 | 174 | — | #1,077 |
| 2011 | 114 | 114 | — | #1,442 |
| 2010 | 125 | 125 | — | #1,361 |
| 2009 | 156 | 156 | — | #1,160 |
| 2008 | 184 | 184 | — | #1,034 |
| 2007 | 187 | 187 | — | #1,018 |
| 2006 | 217 | 217 | — | #897 |
| 2005 | 192 | 192 | — | #917 |
| 2004 | 203 | 203 | — | #866 |
| 2003 | 283 | 283 | — | #684 |
| 2002 | 167 | 167 | — | #960 |
| 2001 | 129 | 129 | — | #1,102 |
| 2000 | 128 | 128 | — | #1,100 |
| 1999 | 107 | 107 | — | #1,196 |
| 1998 | 118 | 118 | — | #1,092 |
| 1997 | 72 | — | — | #1,484 |
| 1996 | 72 | — | — | #1,436 |
| 1995 | 58 | — | — | #1,592 |
| 1994 | 58 | — | — | #1,589 |
| 1993 | 40 | — | — | #2,024 |
| 1992 | 37 | — | — | #2,105 |
| 1991 | 36 | — | — | #2,065 |
| 1990 | 43 | — | — | #1,821 |
| 1989 | 19 | — | — | #3,133 |
| 1988 | 18 | — | — | #3,002 |
| 1987 | 11 | — | — | #4,058 |
| 1986 | 20 | — | — | #2,627 |
| 1985 | 14 | — | — | #3,266 |
| 1984 | 17 | — | — | #2,736 |
| 1983 | 22 | — | — | #2,301 |
| 1982 | 16 | — | — | #2,886 |
| 1981 | 8 | — | — | #4,671 |
| 1980 | 12 | — | — | #3,483 |
| 1979 | 13 | — | — | #3,228 |
| 1978 | 14 | — | — | #2,971 |
| 1977 | 8 | — | — | #4,315 |
| 1976 | 10 | — | — | #3,567 |
| 1975 | 9 | — | — | #3,746 |
| 1974 | 10 | — | — | #3,403 |
| 1973 | 17 | — | — | #2,345 |
| 1972 | 29 | — | — | #1,613 |
| 1971 | 43 | — | — | #1,280 |
| 1970 | 26 | — | — | #1,720 |
| 1969 | 8 | — | — | #3,411 |
| 1968 | 7 | — | — | #3,474 |
| 1967 | 5 | — | — | #4,169 |
| 1966 | 5 | — | — | #4,149 |