Meaning not yet researched.
Rhiannon: US girls given the name each year, 1880 to 2025, from Social Security card applications. 210 in 2025. Its best rank was #418 in 1977.
US births per year · SSA card applications
Peaked at #418 in 1977; #1,119 in 2025. Every baby recorded as Rhiannon in 2025 was a girl.
Baby name · US data 1880–2025
#1,119 for US girls in 2025. Its best year was 1977, at #418.
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.
Rhiannon: US girls given the name each year from 1880 to 2025. 210 girls in 2025. Peak: #418 in 1977 · most girls in one year: 651 (1999).
In 2025, 210 US girls were named Rhiannon, making it the 1,119th most common girls’ name of the year, up 181 places from #1,300 in 2024. That is 32 more than the 178 girls named Rhiannon in 2024. Its best rank for girls was #418, reached in 1977. The most girls given the name in a single year was 651, in 1999. For comparison, it was #1,755 in 2015 and unranked in 1950.
Social Security card records list Rhiannon in 52 years of the 146 from 1880 to 2025, starting in 1974 with 5 babies. In all, 15,544 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 4,075 babies named Rhiannon.
Over the 10 years from 2016 to 2025, 1,884 US girls were named Rhiannon; the busiest of those years was 2021, with 224. In 2025 that was about 1 in 7,654 of the girls in SSA’s list for the year.
Among the states, Rhiannon ranked highest in Colorado in 2025, at #530 for girls there. It was not in the top 100 of any state. Rarer spellings such as Rhian, Rheannon and Rhianon 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.
Wikidata records this spelling as a given name in Welsh. That is where the name is used, not necessarily where it comes from.
No related spellings pass our data threshold.
Rare spellings summarised here: Rhian (1,015), Rheannon (440), Rhianon (355), Rhiannan (171), Rhyannon (36), Rhiannen (11), Rheanon (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 Rhiannon 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 34 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Colorado | 11 | #530 | — |
| Kansas | 6 | #563 | — |
| Maryland | 7 | #711 | — |
| Arizona | 9 | #741 | — |
| New Jersey | 9 | #834 | #1,036 |
| Pennsylvania | 11 | #858 | — |
| Washington | 7 | #887 | — |
| Wisconsin | 5 | #900 | — |
| Illinois | 10 | #911 | — |
| Virginia | 8 | #917 | #1,363 |
| New York | 13 | #1,138 | #1,584 |
| Michigan | 6 | #1,187 | #1,455 |
| North Carolina | 7 | #1,250 | — |
| Ohio | 6 | #1,407 | — |
| Texas | 17 | #1,447 | — |
| California | 16 | #1,466 | #1,711 |
| Florida | 6 | #2,096 | — |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 210 | #1,119 | — | — |
| 2024 | 178 | #1,300 | — | — |
| 2023 | 210 | #1,157 | — | — |
| 2022 | 219 | #1,128 | — | — |
| 2021 | 224 | #1,108 | — | — |
| 2020 | 204 | #1,157 | — | — |
| 2019 | 189 | #1,241 | — | — |
| 2018 | 150 | #1,471 | — | — |
| 2017 | 158 | #1,440 | — | — |
| 2016 | 142 | #1,571 | — | — |
| 2015 | 120 | #1,755 | — | — |
| 2014 | 134 | #1,613 | — | — |
| 2013 | 106 | #1,898 | — | — |
| 2012 | 128 | #1,670 | — | — |
| 2011 | 156 | #1,452 | — | — |
| 2010 | 161 | #1,427 | — | — |
| 2009 | 204 | #1,226 | — | — |
| 2008 | 250 | #1,048 | — | — |
| 2007 | 289 | #935 | — | — |
| 2006 | 378 | #740 | — | — |
| 2005 | 363 | #744 | — | — |
| 2004 | 439 | #622 | — | — |
| 2003 | 476 | #580 | — | — |
| 2002 | 511 | #537 | — | — |
| 2001 | 553 | #497 | — | — |
| 2000 | 612 | #453 | — | — |
| 1999 | 651 | #424 | — | — |
| 1998 | 554 | #467 | — | — |
| 1997 | 346 | #644 | — | — |
| 1996 | 297 | #712 | — | — |
| 1995 | 350 | #627 | — | — |
| 1994 | 389 | #586 | — | — |
| 1993 | 302 | #708 | — | — |
| 1992 | 325 | #676 | — | — |
| 1991 | 299 | #708 | — | — |
| 1990 | 320 | #672 | — | — |
| 1989 | 302 | #677 | — | — |
| 1988 | 240 | #786 | — | — |
| 1987 | 262 | #699 | — | — |
| 1986 | 296 | #629 | — | — |
| 1985 | 272 | #667 | — | — |
| 1984 | 360 | #534 | — | — |
| 1983 | 361 | #526 | — | — |
| 1982 | 391 | #514 | 5 | #7,141 |
| 1981 | 384 | #513 | — | — |
| 1980 | 408 | #500 | — | — |
| 1979 | 423 | #483 | — | — |
| 1978 | 460 | #435 | — | — |
| 1977 | 491 | #418 | — | — |
| 1976 | 272 | #593 | — | — |
| 1975 | 15 | #4,305 | — | — |
| 1974 | 5 | #9,835 | — | — |
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).