Total babies named Siobahn (all years): 82
| Year | Girls (count / rank / %) |
|---|---|
| 2012 | 5 / #19169 / 0.000% |
| 1997 | 6 / #13485 / 0.000% |
| 1992 | 7 / #11573 / 0.000% |
| 1990 | 7 / #11238 / 0.000% |
| 1988 | 6 / #11592 / 0.000% |
| 1985 | 5 / #12244 / 0.000% |
| 1984 | 8 / #8052 / 0.000% |
| 1983 | 5 / #11805 / 0.000% |
| 1982 | 5 / #12050 / 0.000% |
| 1981 | 5 / #11923 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1980 | 7 / #8946 / 0.000% |
| 1979 | 11 / #6113 / 0.001% |
| 1978 | 5 / #11223 / 0.000% |