Total babies named Kolby (all years): 12,792
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 155 / #1268 / 0.009% |
| 2023 | 167 / #1198 / 0.010% |
| 2022 | 159 / #1238 / 0.009% |
| 2021 | 151 / #1263 / 0.009% |
| 2020 | 170 / #1145 / 0.010% |
| 2019 | 153 / #1237 / 0.009% |
| 2018 | 182 / #1088 / 0.010% |
| 2017 | 166 / #1146 / 0.009% |
| 2016 | 219 / #950 / 0.012% |
| 2015 | 272 / #828 / 0.014% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 300 / #777 / 0.016% |
| 2013 | 304 / #749 / 0.016% |
| 2012 | 286 / #791 / 0.015% |
| 2011 | 325 / #705 / 0.017% |
| 2010 | 344 / #684 / 0.018% |
| 2009 | 371 / #662 / 0.019% |
| 2008 | 401 / #618 / 0.020% |
| 2007 | 378 / #643 / 0.018% |
| 2006 | 341 / #669 / 0.017% |
| 2005 | 387 / #586 / 0.019% |
| Year | Boys (count / rank / %) |
|---|---|
| 2004 | 497 / #493 / 0.025% |
| 2003 | 543 / #464 / 0.027% |
| 2002 | 676 / #385 / 0.035% |
| 2001 | 739 / #359 / 0.038% |
| 2000 | 396 / #542 / 0.020% |
| 1999 | 407 / #521 / 0.021% |
| 1998 | 361 / #550 / 0.019% |
| 1997 | 274 / #629 / 0.015% |
| 1996 | 244 / #675 / 0.013% |
| 1995 | 267 / #634 / 0.014% |
| Year | Boys (count / rank / %) |
|---|---|
| 1994 | 215 / #715 / 0.011% |
| 1993 | 191 / #756 / 0.010% |
| 1992 | 212 / #706 / 0.011% |
| 1991 | 205 / #708 / 0.010% |
| 1990 | 155 / #820 / 0.008% |
| 1989 | 119 / #935 / 0.006% |
| 1988 | 108 / #922 / 0.006% |
| 1987 | 106 / #917 / 0.006% |
| 1986 | 83 / #1018 / 0.005% |
| 1985 | 90 / #965 / 0.005% |
| Year | Boys (count / rank / %) |
|---|---|
| 1984 | 50 / #1338 / 0.003% |
| 1983 | 51 / #1302 / 0.003% |
| 1982 | 50 / #1329 / 0.003% |
| 1981 | 20 / #2455 / 0.001% |
| 1980 | 35 / #1679 / 0.002% |
| 1979 | 24 / #2131 / 0.001% |
| 1978 | 21 / #2248 / 0.001% |
| 1977 | 19 / #2415 / 0.001% |
| 1976 | 20 / #2296 / 0.001% |
| 1975 | 18 / #2406 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1974 | 20 / #2170 / 0.001% |
| 1973 | 15 / #2563 / 0.001% |
| 1972 | 12 / #2918 / 0.001% |
| 1971 | 5 / #5314 / 0.000% |
| 1968 | 5 / #4455 / 0.000% |