Total babies named Stepfon (all years): 158
| Year | Boys (count / rank / %) |
|---|---|
| 2012 | 5 / #13942 / 0.000% |
| 2001 | 5 / #12078 / 0.000% |
| 1999 | 6 / #9746 / 0.000% |
| 1998 | 7 / #8331 / 0.000% |
| 1997 | 8 / #7190 / 0.000% |
| 1996 | 9 / #6420 / 0.000% |
| 1995 | 10 / #5860 / 0.001% |
| 1994 | 7 / #7652 / 0.000% |
| 1993 | 11 / #5307 / 0.001% |
| 1992 | 6 / #8308 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1991 | 7 / #7173 / 0.000% |
| 1990 | 14 / #4144 / 0.001% |
| 1989 | 5 / #9064 / 0.000% |
| 1988 | 8 / #5670 / 0.000% |
| 1987 | 7 / #6013 / 0.000% |
| 1986 | 7 / #5851 / 0.000% |
| 1985 | 5 / #7449 / 0.000% |
| 1983 | 5 / #7194 / 0.000% |
| 1970 | 5 / #5347 / 0.000% |
| 1964 | 6 / #3982 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1962 | 7 / #3593 / 0.000% |
| 1961 | 8 / #3322 / 0.000% |