Jailyn is an uncommon name used for both girls and boys that peaked in 2007 and has grown less common since.
Jailyn is predominantly a girl name. In 2025 it ranked #2,469 among girls (72) and #6,965 among boys (12) — overall #3,988 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 84 | 84 | #2,469 | #6,965 |
| 2024 | 112 | 112 | #1,934 | #8,612 |
| 2023 | 132 | 132 | #1,702 | #7,470 |
| 2022 | 123 | 123 | #1,787 | #9,336 |
| 2021 | 136 | 136 | #1,701 | #6,160 |
| 2020 | 147 | 147 | #1,596 | #5,554 |
| 2019 | 108 | 108 | #1,993 | #7,357 |
| 2018 | 118 | 118 | #2,019 | #4,659 |
| 2017 | 122 | 122 | #1,983 | #4,522 |
| 2016 | 149 | 149 | #1,624 | #6,166 |
| 2015 | 152 | 152 | #1,556 | #7,263 |
| 2014 | 140 | 140 | #1,779 | #4,180 |
| 2013 | 145 | 145 | #1,664 | #5,265 |
| 2012 | 192 | 192 | #1,420 | #3,480 |
| 2011 | 198 | 198 | #1,405 | #3,201 |
| 2010 | 229 | 229 | #1,246 | #3,147 |
| 2009 | 255 | 255 | #1,156 | #3,189 |
| 2008 | 293 | 293 | #1,024 | #3,129 |
| 2007 | 319 | 319 | #967 | #2,890 |
| 2006 | 310 | 310 | #1,021 | #2,192 |
| 2005 | 301 | 301 | #936 | #2,923 |
| 2004 | 306 | 306 | #938 | #2,294 |
| 2003 | 291 | 291 | #925 | #2,697 |
| 2002 | 293 | 293 | #879 | #2,717 |
| 2001 | 264 | 264 | #963 | #2,544 |
| 2000 | 245 | 245 | #986 | #2,945 |
| 1999 | 185 | 185 | #1,176 | #3,753 |
| 1998 | 161 | 161 | #1,297 | #3,333 |
| 1997 | 104 | — | #1,711 | #4,778 |
| 1996 | 76 | — | #2,111 | #5,330 |
| 1995 | 66 | — | #2,316 | #6,120 |
| 1994 | 48 | — | #2,809 | #9,403 |
| 1993 | 40 | — | #3,530 | #5,949 |
| 1992 | 14 | — | #6,434 | — |
| 1990 | 10 | — | #8,113 | — |
| 1987 | 7 | — | #9,156 | — |
| 1986 | 6 | — | #10,006 | — |
| 1982 | 5 | — | #11,127 | — |