Is Katlyn a boy or girl name?
Katlyn is a girl name in the US. In 2024, 23 girls and 0 boys were named Katlyn, so 100% were girls. Across 1880–2024, 100% of the 18,426 US babies named Katlyn were girls.
- Boy rank, 2024
- Not ranked
- Girl rank, 2024
- #5,504
- Babies named Katlyn since 1979
- 18,426
- Most popular year
- 1995
- 1,260 babies
Boys and girls named Katlyn, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1970s | 0 | 7 | 100% |
| 1980s | 5 | 1,917 | 99.7% |
| 1990s | 0 | 10,718 | 100% |
| 2000s | 0 | 5,077 | 100% |
| 2010s | 0 | 624 | 100% |
| 2020s | 0 | 78 | 100% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 0 | – | 23 | #5,504 |
| 2023 | 0 | – | 21 | #5,847 |
| 2022 | 0 | – | 15 | #7,452 |
| 2021 | 0 | – | 8 | #11,629 |
| 2020 | 0 | – | 11 | #9,231 |
| 2019 | 0 | – | 27 | #4,973 |
| 2018 | 0 | – | 26 | #5,076 |
| 2017 | 0 | – | 19 | #6,410 |
| 2016 | 0 | – | 30 | #4,678 |
| 2015 | 0 | – | 50 | #3,275 |
| 2014 | 0 | – | 60 | #2,869 |
| 2013 | 0 | – | 66 | #2,675 |
| 2012 | 0 | – | 83 | #2,275 |
| 2011 | 0 | – | 118 | #1,743 |
| 2010 | 0 | – | 145 | #1,539 |
| 2009 | 0 | – | 195 | #1,256 |
| 2008 | 0 | – | 217 | #1,181 |
| 2007 | 0 | – | 275 | #978 |
| 2006 | 0 | – | 348 | #788 |
| 2005 | 0 | – | 457 | #619 |
| 2004 | 0 | – | 515 | #553 |
| 2003 | 0 | – | 566 | #505 |
| 2002 | 0 | – | 694 | #418 |
| 2001 | 0 | – | 848 | #352 |
| 2000 | 0 | – | 962 | #330 |
| 1999 | 0 | – | 1,071 | #290 |
| 1998 | 0 | – | 1,183 | #262 |
| 1997 | 0 | – | 1,232 | #242 |
| 1996 | 0 | – | 1,186 | #236 |
| 1995 | 0 | – | 1,260 | #223 |
| 1994 | 0 | – | 1,132 | #243 |
| 1993 | 0 | – | 1,066 | #260 |
| 1992 | 0 | – | 945 | #297 |
| 1991 | 0 | – | 864 | #312 |
| 1990 | 0 | – | 779 | #343 |
| 1989 | 5 | #8,572 | 615 | #401 |
| 1988 | 0 | – | 505 | #448 |
| 1987 | 0 | – | 294 | #641 |
| 1986 | 0 | – | 201 | #829 |
| 1985 | 0 | – | 141 | #1,052 |
| 1984 | 0 | – | 72 | #1,573 |
| 1983 | 0 | – | 34 | #2,620 |
| 1982 | 0 | – | 24 | #3,474 |
| 1981 | 0 | – | 19 | #4,068 |
| 1980 | 0 | – | 12 | #5,693 |
| 1979 | 0 | – | 7 | #8,455 |
Highest rank
As a boy name, Katlyn reached #8,572 in 1989. As a girl name, it reached #223 in 1995. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 1990s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Katlyn
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.