Primarily a boy's name · Unisex — 10% girls / 90% boys
→ See names similar to Kolby · Popular names of the 2000s · Boys names starting with K
Rank is among all boys' names registered that year.
| Year | Babies | Rank |
|---|---|---|
| 1968 | 5 | #4,455 |
| 1971 | 5 | #5,314 |
| 1972 | 12 | #2,918 |
| 1973 | 15 | #2,563 |
| 1974 | 20 | #2,170 |
| 1975 | 18 | #2,406 |
| 1976 | 20 | #2,296 |
| 1977 | 19 | #2,415 |
| 1978 | 21 | #2,248 |
| 1979 | 24 | #2,131 |
| 1980 | 35 | #1,679 |
| 1981 | 20 | #2,455 |
| 1982 | 50 | #1,329 |
| 1983 | 51 | #1,302 |
| 1984 | 50 | #1,338 |
| 1985 | 90 | #965 |
| 1986 | 83 | #1,018 |
| 1987 | 106 | #917 |
| 1988 | 108 | #922 |
| 1989 | 119 | #935 |
| 1990 | 155 | #820 |
| 1991 | 205 | #708 |
| 1992 | 212 | #706 |
| 1993 | 191 | #756 |
| 1994 | 215 | #715 |
| 1995 | 267 | #634 |
| 1996 | 244 | #675 |
| 1997 | 274 | #629 |
| 1998 | 361 | #550 |
| 1999 | 407 | #521 |
| 2000 | 396 | #542 |
| 2001 | 739 | #359 |
| 2002 | 676 | #385 |
| 2003 | 543 | #464 |
| 2004 | 497 | #493 |
| 2005 | 387 | #586 |
| 2006 | 341 | #669 |
| 2007 | 378 | #643 |
| 2008 | 401 | #618 |
| 2009 | 371 | #662 |
| 2010 | 344 | #684 |
| 2011 | 325 | #705 |
| 2012 | 286 | #791 |
| 2013 | 304 | #749 |
| 2014 | 300 | #777 |
| 2015 | 272 | #828 |
| 2016 | 219 | #950 |
| 2017 | 166 | #1,146 |
| 2018 | 182 | #1,088 |
| 2019 | 153 | #1,237 |
| 2020 | 170 | #1,145 |
| 2021 | 151 | #1,263 |
| 2022 | 159 | #1,238 |
| 2023 | 167 | #1,198 |
| 2024 | 155 | #1,268 |