Total babies named Williamson (all years): 87
| Year | Boys (count / rank / %) |
|---|---|
| 2023 | 5 / #14076 / 0.000% |
| 2015 | 5 / #13943 / 0.000% |
| 2014 | 6 / #12033 / 0.000% |
| 2012 | 5 / #14131 / 0.000% |
| 2005 | 6 / #11413 / 0.000% |
| 2004 | 6 / #11293 / 0.000% |
| 2003 | 6 / #10848 / 0.000% |
| 2001 | 6 / #10503 / 0.000% |
| 1999 | 7 / #8673 / 0.000% |
| 1998 | 5 / #11265 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1996 | 5 / #10480 / 0.000% |
| 1995 | 6 / #8831 / 0.000% |
| 1983 | 5 / #7311 / 0.000% |
| 1941 | 5 / #3991 / 0.000% |
| 1924 | 9 / #3251 / 0.001% |