Kelsei is a rare variant of Kelsey that peaked in 1996 and has since faded.
Kelsei is a girl name. In 2025 it ranked #12,547 for girl births in the United States (and #21,032 across all names), given to 7 babies. Kelsei was first reported in SSA data in 1988 and peaked in 1996 (19 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 7 | 7 | #12,547 |
| 2022 | 9 | 9 | #10,803 |
| 2021 | 5 | 5 | #16,492 |
| 2020 | 7 | 7 | #12,821 |
| 2019 | 10 | 10 | #10,130 |
| 2018 | 9 | 9 | #11,015 |
| 2017 | 7 | 7 | #13,407 |
| 2016 | 6 | 6 | #15,300 |
| 2015 | 13 | 13 | #8,699 |
| 2014 | 11 | 11 | #9,855 |
| 2012 | 8 | 8 | #12,815 |
| 2011 | 8 | 8 | #12,772 |
| 2010 | 6 | 6 | #15,998 |
| 2009 | 12 | 12 | #9,707 |
| 2008 | 11 | 11 | #10,439 |
| 2007 | 8 | 8 | #13,309 |
| 2006 | 7 | 7 | #14,352 |
| 2005 | 6 | 6 | #15,477 |
| 2004 | 11 | 11 | #9,580 |
| 2003 | 13 | 13 | #8,256 |
| 2002 | 12 | 12 | #8,551 |
| 2001 | 13 | 13 | #7,977 |
| 2000 | 10 | 10 | #9,537 |
| 1999 | 8 | 8 | #10,872 |
| 1998 | 11 | 11 | #8,279 |
| 1997 | 14 | — | #6,653 |
| 1996 | 19 | — | #5,179 |
| 1995 | 9 | — | #9,131 |
| 1994 | 10 | — | #8,452 |
| 1993 | 13 | — | #6,836 |
| 1992 | 13 | — | #6,852 |
| 1991 | 14 | — | #6,421 |
| 1990 | 6 | — | #12,092 |
| 1989 | 6 | — | #11,541 |
| 1988 | 5 | — | #12,772 |