Siobhan is an uncommon girls' name that peaked in 1980 and has grown less common since.
Siobhan is a girl name. In 2025 it ranked #2,096 for girl births in the United States (and #3,826 across all names), given to 90 babies. Siobhan was first reported in SSA data in 1956 and peaked in 1980 (282 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 90 | 90 | #2,096 |
| 2024 | 103 | 103 | #1,939 |
| 2023 | 102 | 102 | #1,943 |
| 2022 | 84 | 84 | #2,248 |
| 2021 | 100 | 100 | #1,967 |
| 2020 | 64 | 64 | #2,656 |
| 2019 | 47 | 47 | #3,377 |
| 2018 | 44 | 44 | #3,553 |
| 2017 | 33 | 33 | #4,366 |
| 2016 | 52 | 52 | #3,179 |
| 2015 | 56 | 56 | #3,055 |
| 2014 | 54 | 54 | #3,107 |
| 2013 | 69 | 69 | #2,592 |
| 2012 | 64 | 64 | #2,766 |
| 2011 | 52 | 52 | #3,217 |
| 2010 | 77 | 77 | #2,449 |
| 2009 | 62 | 62 | #2,849 |
| 2008 | 50 | 50 | #3,371 |
| 2007 | 57 | 57 | #3,090 |
| 2006 | 61 | 61 | #2,884 |
| 2005 | 64 | 64 | #2,668 |
| 2004 | 71 | 71 | #2,421 |
| 2003 | 108 | 108 | #1,754 |
| 2002 | 91 | 91 | #1,953 |
| 2001 | 86 | 86 | #1,993 |
| 2000 | 108 | 108 | #1,646 |
| 1999 | 107 | 107 | #1,579 |
| 1998 | 119 | 119 | #1,442 |
| 1997 | 139 | — | #1,272 |
| 1996 | 138 | — | #1,268 |
| 1995 | 119 | — | #1,389 |
| 1994 | 113 | — | #1,423 |
| 1993 | 133 | — | #1,282 |
| 1992 | 159 | — | #1,123 |
| 1991 | 162 | — | #1,112 |
| 1990 | 145 | — | #1,183 |
| 1989 | 169 | — | #1,017 |
| 1988 | 155 | — | #1,041 |
| 1987 | 183 | — | #912 |
| 1986 | 192 | — | #864 |
| 1985 | 234 | — | #740 |
| 1984 | 226 | — | #727 |
| 1983 | 203 | — | #786 |
| 1982 | 228 | — | #740 |
| 1981 | 214 | — | #764 |
| 1980 | 282 | — | #649 |
| 1979 | 277 | — | #629 |
| 1978 | 118 | — | #1,111 |
| 1977 | 77 | — | #1,447 |
| 1976 | 68 | — | #1,521 |
| 1975 | 58 | — | #1,671 |
| 1974 | 65 | — | #1,517 |
| 1973 | 73 | — | #1,369 |
| 1972 | 75 | — | #1,349 |
| 1971 | 102 | — | #1,146 |
| 1970 | 83 | — | #1,303 |
| 1969 | 82 | — | #1,241 |
| 1968 | 82 | — | #1,208 |
| 1967 | 86 | — | #1,145 |
| 1966 | 104 | — | #1,015 |
| 1965 | 97 | — | #1,067 |
| 1964 | 78 | — | #1,252 |
| 1963 | 77 | — | #1,260 |
| 1962 | 75 | — | #1,282 |
| 1961 | 98 | — | #1,115 |
| 1960 | 90 | — | #1,154 |
| 1959 | 86 | — | #1,156 |
| 1958 | 54 | — | #1,462 |
| 1957 | 67 | — | #1,300 |
| 1956 | 58 | — | #1,376 |