Is Rhiannon a boy or girl name?
Rhiannon is a girl name in the US. In 2024, 175 girls and 0 boys were named Rhiannon, so 100% were girls. Across 1880–2024, 100% of the 15,330 US babies named Rhiannon were girls.
- Boy rank, 2024
- Not ranked
- Girl rank, 2024
- #1,310
- Babies named Rhiannon since 1974
- 15,330
- Most popular year
- 1999
- 651 babies
Boys and girls named Rhiannon, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1970s | 0 | 1,666 | 100% |
| 1980s | 5 | 3,276 | 99.8% |
| 1990s | 0 | 3,833 | 100% |
| 2000s | 0 | 4,075 | 100% |
| 2010s | 0 | 1,443 | 100% |
| 2020s | 0 | 1,032 | 100% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 0 | – | 175 | #1,310 |
| 2023 | 0 | – | 210 | #1,157 |
| 2022 | 0 | – | 219 | #1,126 |
| 2021 | 0 | – | 224 | #1,107 |
| 2020 | 0 | – | 204 | #1,157 |
| 2019 | 0 | – | 189 | #1,241 |
| 2018 | 0 | – | 150 | #1,471 |
| 2017 | 0 | – | 158 | #1,440 |
| 2016 | 0 | – | 142 | #1,571 |
| 2015 | 0 | – | 120 | #1,754 |
| 2014 | 0 | – | 134 | #1,613 |
| 2013 | 0 | – | 106 | #1,897 |
| 2012 | 0 | – | 127 | #1,679 |
| 2011 | 0 | – | 156 | #1,452 |
| 2010 | 0 | – | 161 | #1,426 |
| 2009 | 0 | – | 204 | #1,226 |
| 2008 | 0 | – | 250 | #1,048 |
| 2007 | 0 | – | 289 | #935 |
| 2006 | 0 | – | 378 | #740 |
| 2005 | 0 | – | 363 | #744 |
| 2004 | 0 | – | 439 | #622 |
| 2003 | 0 | – | 476 | #580 |
| 2002 | 0 | – | 511 | #537 |
| 2001 | 0 | – | 553 | #497 |
| 2000 | 0 | – | 612 | #453 |
| 1999 | 0 | – | 651 | #424 |
| 1998 | 0 | – | 554 | #467 |
| 1997 | 0 | – | 346 | #644 |
| 1996 | 0 | – | 297 | #712 |
| 1995 | 0 | – | 350 | #627 |
| 1994 | 0 | – | 389 | #586 |
| 1993 | 0 | – | 302 | #708 |
| 1992 | 0 | – | 325 | #676 |
| 1991 | 0 | – | 299 | #708 |
| 1990 | 0 | – | 320 | #672 |
| 1989 | 0 | – | 302 | #676 |
| 1988 | 0 | – | 240 | #787 |
| 1987 | 0 | – | 262 | #699 |
| 1986 | 0 | – | 296 | #629 |
| 1985 | 0 | – | 272 | #667 |
| 1984 | 0 | – | 360 | #534 |
| 1983 | 0 | – | 361 | #526 |
| 1982 | 5 | #7,143 | 391 | #514 |
| 1981 | 0 | – | 384 | #513 |
| 1980 | 0 | – | 408 | #500 |
| 1979 | 0 | – | 423 | #483 |
| 1978 | 0 | – | 460 | #435 |
| 1977 | 0 | – | 491 | #418 |
| 1976 | 0 | – | 272 | #593 |
| 1975 | 0 | – | 15 | #4,305 |
| 1974 | 0 | – | 5 | #9,837 |
Highest rank
As a boy name, Rhiannon reached #7,143 in 1982. As a girl name, it reached #418 in 1977. 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 1990s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Rhiannon
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.