Meaning not yet researched.
Siobhan: US girls given the name each year, 1880 to 2025, from Social Security card applications. 90 in 2025. Its best rank was #629 in 1979.
US births per year · SSA card applications
Peaked at #629 in 1979; #2,096 in 2025. Every baby recorded as Siobhan in 2025 was a girl.
Baby name · US data 1880–2025
#2,096 for US girls in 2025. Its best year was 1979, at #629.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Siobhan: US girls given the name each year from 1880 to 2025. 90 girls in 2025. Peak: #629 in 1979 · most girls in one year: 282 (1980).
In 2025, 90 US girls were named Siobhan, making it the 2,096th most common girls’ name of the year, down 157 places from #1,939 in 2024. That is 13 fewer than the 103 girls named Siobhan in 2024. Its best rank for girls was #629, reached in 1979. The most girls given the name in a single year was 282, in 1980. For comparison, it was #3,055 in 2015 and unranked in 1950.
Social Security card records list Siobhan in 70 years of the 146 from 1880 to 2025, starting in 1956 with 58 babies. In all, 7,399 US babies have been given the name, all of them girls. Its busiest decade was the 1980s, with 2,086 babies named Siobhan.
Over the 10 years from 2016 to 2025, 719 US girls were named Siobhan; the busiest of those years was 2024, with 103. In 2025 that was about 1 in 17,859 of the girls in SSA’s list for the year.
Among the states, Siobhan ranked highest in Illinois in 2025, at #1,222 for girls there. It was not in the top 100 of any state. Rarer spellings such as Siobhain and Siobhon are summarised on this page.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
No related spellings pass our data threshold.
Rare spellings summarised here: Siobhain (22), Siobhon (5).
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Siobhan in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
US girls. Rank within each state. SSA leaves out states where fewer than five girls got the name, so 44 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Illinois | 7 | #1,222 | — |
| Washington | 5 | #1,226 | — |
| Virginia | 5 | #1,354 | — |
| Pennsylvania | 6 | #1,376 | #1,600 |
| New York | 8 | #1,639 | — |
| Texas | 8 | #2,598 | — |
| California | 7 | #2,732 | #3,891 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 90 | #2,096 | — | — |
| 2024 | 103 | #1,939 | — | — |
| 2023 | 102 | #1,943 | — | — |
| 2022 | 84 | #2,248 | — | — |
| 2021 | 100 | #1,967 | — | — |
| 2020 | 64 | #2,656 | — | — |
| 2019 | 47 | #3,377 | — | — |
| 2018 | 44 | #3,553 | — | — |
| 2017 | 33 | #4,366 | — | — |
| 2016 | 52 | #3,179 | — | — |
| 2015 | 56 | #3,055 | — | — |
| 2014 | 54 | #3,107 | — | — |
| 2013 | 69 | #2,592 | — | — |
| 2012 | 64 | #2,766 | — | — |
| 2011 | 52 | #3,217 | — | — |
| 2010 | 77 | #2,449 | — | — |
| 2009 | 62 | #2,849 | — | — |
| 2008 | 50 | #3,371 | — | — |
| 2007 | 57 | #3,090 | — | — |
| 2006 | 61 | #2,884 | — | — |
| 2005 | 64 | #2,668 | — | — |
| 2004 | 71 | #2,421 | — | — |
| 2003 | 108 | #1,754 | — | — |
| 2002 | 91 | #1,953 | — | — |
| 2001 | 86 | #1,993 | — | — |
| 2000 | 108 | #1,646 | — | — |
| 1999 | 107 | #1,579 | — | — |
| 1998 | 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 | — | — |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).