Total babies named So (all years): 52
| Year | Girls (count / rank / %) |
|---|---|
| 2017 | — |
| 1993 | 8 / #10456 / 0.000% |
| 1992 | 5 / #15269 / 0.000% |
| 1990 | 5 / #14957 / 0.000% |
| 1989 | 6 / #12159 / 0.000% |
| 1988 | 5 / #13599 / 0.000% |
| 1985 | 6 / #10504 / 0.000% |
| 1982 | 5 / #12053 / 0.000% |
| 1979 | 7 / #8879 / 0.000% |