Total babies named Koleson (all years): 417
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 54 / #2509 / 0.003% |
| 2023 | 40 / #3089 / 0.002% |
| 2022 | 41 / #3034 / 0.002% |
| 2021 | 45 / #2798 / 0.003% |
| 2020 | 40 / #2957 / 0.002% |
| 2019 | 31 / #3607 / 0.002% |
| 2018 | 30 / #3664 / 0.002% |
| 2017 | 23 / #4405 / 0.001% |
| 2016 | 15 / #5935 / 0.001% |
| 2015 | 17 / #5417 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 14 / #6175 / 0.001% |
| 2013 | 12 / #6847 / 0.001% |
| 2011 | 14 / #6119 / 0.001% |
| 2010 | 6 / #11571 / 0.000% |
| 2009 | 8 / #9504 / 0.000% |
| 2008 | 9 / #8701 / 0.000% |
| 2007 | 7 / #10405 / 0.000% |
| 2006 | 5 / #13151 / 0.000% |
| 2005 | 6 / #10875 / 0.000% |