Is Siobhan a boy or girl name?
Siobhan is a girl name in the US. In 2024, 103 girls and 0 boys were named Siobhan, so 100% were girls. Across 1880–2024, 100% of the 7,310 US babies named Siobhan were girls.
- Boy rank, 2024
- Not ranked
- Girl rank, 2024
- #1,931
- Babies named Siobhan since 1956
- 7,310
- Most popular year
- 1980
- 282 babies
Boys and girls named Siobhan, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1950s | 0 | 265 | 100% |
| 1960s | 0 | 870 | 100% |
| 1970s | 0 | 996 | 100% |
| 1980s | 0 | 2,086 | 100% |
| 1990s | 0 | 1,334 | 100% |
| 2000s | 0 | 758 | 100% |
| 2010s | 0 | 548 | 100% |
| 2020s | 0 | 453 | 100% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 0 | – | 103 | #1,931 |
| 2023 | 0 | – | 102 | #1,942 |
| 2022 | 0 | – | 84 | #2,245 |
| 2021 | 0 | – | 100 | #1,964 |
| 2020 | 0 | – | 64 | #2,655 |
| 2019 | 0 | – | 47 | #3,375 |
| 2018 | 0 | – | 44 | #3,551 |
| 2017 | 0 | – | 33 | #4,365 |
| 2016 | 0 | – | 52 | #3,179 |
| 2015 | 0 | – | 56 | #3,054 |
| 2014 | 0 | – | 54 | #3,107 |
| 2013 | 0 | – | 69 | #2,592 |
| 2012 | 0 | – | 64 | #2,766 |
| 2011 | 0 | – | 52 | #3,217 |
| 2010 | 0 | – | 77 | #2,448 |
| 2009 | 0 | – | 62 | #2,849 |
| 2008 | 0 | – | 50 | #3,370 |
| 2007 | 0 | – | 57 | #3,090 |
| 2006 | 0 | – | 61 | #2,884 |
| 2005 | 0 | – | 64 | #2,668 |
| 2004 | 0 | – | 71 | #2,421 |
| 2003 | 0 | – | 108 | #1,754 |
| 2002 | 0 | – | 91 | #1,953 |
| 2001 | 0 | – | 86 | #1,993 |
| 2000 | 0 | – | 108 | #1,646 |
| 1999 | 0 | – | 107 | #1,579 |
| 1998 | 0 | – | 119 | #1,442 |
| 1997 | 0 | – | 139 | #1,272 |
| 1996 | 0 | – | 138 | #1,268 |
| 1995 | 0 | – | 119 | #1,389 |
| 1994 | 0 | – | 113 | #1,423 |
| 1993 | 0 | – | 133 | #1,282 |
| 1992 | 0 | – | 159 | #1,123 |
| 1991 | 0 | – | 162 | #1,112 |
| 1990 | 0 | – | 145 | #1,183 |
| 1989 | 0 | – | 169 | #1,017 |
| 1988 | 0 | – | 155 | #1,041 |
| 1987 | 0 | – | 183 | #912 |
| 1986 | 0 | – | 192 | #863 |
| 1985 | 0 | – | 234 | #740 |
| 1984 | 0 | – | 226 | #727 |
| 1983 | 0 | – | 203 | #786 |
| 1982 | 0 | – | 228 | #741 |
| 1981 | 0 | – | 214 | #764 |
| 1980 | 0 | – | 282 | #649 |
| 1979 | 0 | – | 277 | #629 |
| 1978 | 0 | – | 118 | #1,111 |
| 1977 | 0 | – | 77 | #1,448 |
| 1976 | 0 | – | 68 | #1,521 |
| 1975 | 0 | – | 58 | #1,671 |
| 1974 | 0 | – | 65 | #1,517 |
| 1973 | 0 | – | 73 | #1,369 |
| 1972 | 0 | – | 75 | #1,349 |
| 1971 | 0 | – | 102 | #1,146 |
| 1970 | 0 | – | 83 | #1,303 |
| 1969 | 0 | – | 82 | #1,241 |
| 1968 | 0 | – | 82 | #1,208 |
| 1967 | 0 | – | 86 | #1,145 |
| 1966 | 0 | – | 104 | #1,015 |
| 1965 | 0 | – | 97 | #1,066 |
| 1964 | 0 | – | 78 | #1,252 |
| 1963 | 0 | – | 78 | #1,250 |
| 1962 | 0 | – | 75 | #1,282 |
| 1961 | 0 | – | 98 | #1,115 |
| 1960 | 0 | – | 90 | #1,154 |
| 1959 | 0 | – | 86 | #1,156 |
| 1958 | 0 | – | 54 | #1,462 |
| 1957 | 0 | – | 67 | #1,300 |
| 1956 | 0 | – | 58 | #1,376 |
Highest rank
Siobhan has never been ranked as a boy name. As a girl name, it reached #629 in 1979. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 1980s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Siobhan
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.