Kelsy is an uncommon variant of Kelsey that peaked in 1992 and has since faded.
Kelsy is predominantly a girl name. In 2025 it ranked #6,981 for girl births in the United States (and #12,072 across all names), given to 16 babies. Kelsy was first reported in SSA data in 1974 and peaked in 1992 (163 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 16 | 16 | #6,981 | — |
| 2024 | 23 | 23 | #5,532 | — |
| 2023 | 14 | 14 | #7,837 | — |
| 2022 | 25 | 25 | #5,240 | — |
| 2021 | 18 | 18 | #6,534 | — |
| 2020 | 18 | 18 | #6,494 | — |
| 2019 | 23 | 23 | #5,530 | — |
| 2018 | 36 | 36 | #4,037 | — |
| 2017 | 21 | 21 | #5,938 | — |
| 2016 | 33 | 33 | #4,390 | — |
| 2015 | 25 | 25 | #5,380 | — |
| 2014 | 27 | 27 | #5,101 | — |
| 2013 | 33 | 33 | #4,381 | — |
| 2012 | 26 | 26 | #5,330 | — |
| 2011 | 45 | 45 | #3,524 | — |
| 2010 | 44 | 44 | #3,596 | — |
| 2009 | 56 | 56 | #3,070 | — |
| 2008 | 62 | 62 | #2,874 | — |
| 2007 | 60 | 60 | #2,976 | — |
| 2006 | 75 | 75 | #2,470 | — |
| 2005 | 66 | 66 | #2,591 | — |
| 2004 | 63 | 63 | #2,633 | — |
| 2003 | 73 | 73 | #2,311 | — |
| 2002 | 81 | 81 | #2,108 | — |
| 2001 | 71 | 71 | #2,275 | — |
| 2000 | 102 | 102 | #1,723 | — |
| 1999 | 131 | 131 | #1,417 | #8,311 |
| 1998 | 141 | 141 | #1,282 | — |
| 1997 | 138 | — | #1,277 | — |
| 1996 | 142 | — | #1,233 | — |
| 1995 | 137 | — | #1,249 | — |
| 1994 | 153 | — | #1,163 | — |
| 1993 | 145 | — | #1,198 | — |
| 1992 | 168 | — | #1,104 | #9,154 |
| 1991 | 163 | — | #1,134 | #7,783 |
| 1990 | 151 | — | #1,142 | — |
| 1989 | 145 | — | #1,190 | #5,939 |
| 1988 | 85 | — | #1,557 | — |
| 1987 | 88 | — | #1,476 | — |
| 1986 | 65 | — | #1,777 | — |
| 1985 | 65 | — | #1,747 | — |
| 1984 | 49 | — | #2,068 | — |
| 1983 | 40 | — | #2,374 | — |
| 1982 | 21 | — | #3,843 | — |
| 1981 | 18 | — | #4,241 | — |
| 1980 | 18 | — | #4,220 | — |
| 1979 | 21 | — | #5,236 | #4,640 |
| 1978 | 12 | — | #5,354 | — |
| 1977 | 14 | — | #4,771 | — |
| 1976 | 14 | — | #6,296 | #6,048 |
| 1975 | 5 | — | #9,747 | — |
| 1974 | 5 | — | #9,393 | — |