Is Cassidy a boy or girl name?
Cassidy is mostly a girl name in the US. In 2024, 646 girls and 61 boys were named Cassidy, so 91.4% were girls. Across 1880–2024, 94.2% of the 63,963 US babies named Cassidy were girls.
- Boy rank, 2024
- #2,308
- Girl rank, 2024
- #476
- Babies named Cassidy since 1968
- 63,963
- Most popular year
- 1999
- 3,449 babies
Boys and girls named Cassidy, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1960s | 10 | 5 | 33.3% |
| 1970s | 351 | 523 | 59.8% |
| 1980s | 1,136 | 3,341 | 74.6% |
| 1990s | 900 | 20,659 | 95.8% |
| 2000s | 481 | 21,177 | 97.8% |
| 2010s | 553 | 11,232 | 95.3% |
| 2020s | 253 | 3,342 | 93% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 61 | #2,308 | 646 | #476 |
| 2023 | 55 | #2,441 | 617 | #496 |
| 2022 | 49 | #2,680 | 659 | #478 |
| 2021 | 43 | #2,871 | 655 | #478 |
| 2020 | 45 | #2,735 | 765 | #410 |
| 2019 | 55 | #2,428 | 865 | #368 |
| 2018 | 76 | #1,939 | 869 | #361 |
| 2017 | 70 | #2,020 | 1,002 | #326 |
| 2016 | 59 | #2,258 | 1,123 | #289 |
| 2015 | 42 | #2,814 | 1,236 | #257 |
| 2014 | 45 | #2,671 | 1,311 | #247 |
| 2013 | 55 | #2,306 | 1,274 | #250 |
| 2012 | 50 | #2,497 | 1,140 | #280 |
| 2011 | 50 | #2,481 | 1,126 | #282 |
| 2010 | 51 | #2,435 | 1,286 | #250 |
| 2009 | 55 | #2,354 | 1,359 | #244 |
| 2008 | 66 | #2,092 | 1,490 | #228 |
| 2007 | 53 | #2,418 | 1,656 | #207 |
| 2006 | 69 | #1,949 | 1,771 | #199 |
| 2005 | 40 | #2,713 | 1,833 | #189 |
| 2004 | 59 | #2,025 | 2,007 | #168 |
| 2003 | 24 | #3,641 | 2,235 | #150 |
| 2002 | 34 | #2,766 | 2,634 | #131 |
| 2001 | 39 | #2,494 | 3,029 | #107 |
| 2000 | 42 | #2,301 | 3,163 | #107 |
| 1999 | 54 | #1,826 | 3,395 | #99 |
| 1998 | 57 | #1,770 | 3,045 | #113 |
| 1997 | 55 | #1,756 | 3,143 | #105 |
| 1996 | 78 | #1,371 | 2,844 | #109 |
| 1995 | 87 | #1,246 | 3,042 | #108 |
| 1994 | 114 | #1,041 | 2,306 | #139 |
| 1993 | 109 | #1,061 | 1,028 | #267 |
| 1992 | 119 | #991 | 725 | #355 |
| 1991 | 102 | #1,078 | 610 | #418 |
| 1990 | 125 | #923 | 521 | #471 |
| 1989 | 124 | #911 | 482 | #487 |
| 1988 | 116 | #883 | 405 | #538 |
| 1987 | 120 | #852 | 396 | #521 |
| 1986 | 101 | #911 | 371 | #546 |
| 1985 | 151 | #719 | 416 | #491 |
| 1984 | 169 | #665 | 406 | #492 |
| 1983 | 163 | #669 | 358 | #530 |
| 1982 | 68 | #1,107 | 219 | #756 |
| 1981 | 60 | #1,188 | 157 | #943 |
| 1980 | 64 | #1,135 | 131 | #1,077 |
| 1979 | 41 | #1,466 | 108 | #1,205 |
| 1978 | 45 | #1,372 | 102 | #1,221 |
| 1977 | 53 | #1,211 | 72 | #1,516 |
| 1976 | 52 | #1,192 | 62 | #1,602 |
| 1975 | 32 | #1,597 | 54 | #1,732 |
| 1974 | 42 | #1,315 | 36 | #2,218 |
| 1973 | 25 | #1,785 | 28 | #2,576 |
| 1972 | 22 | #1,936 | 32 | #2,313 |
| 1971 | 26 | #1,749 | 17 | #3,666 |
| 1970 | 13 | #2,641 | 12 | #4,529 |
| 1969 | 5 | #4,485 | 5 | #7,620 |
| 1968 | 5 | #4,216 | 0 | – |
Highest rank
As a boy name, Cassidy reached #665 in 1984. As a girl name, it reached #99 in 1999. 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 Cassidy
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.