girl's name
Rhiannon
- Origin Welsh
- Gender Girl
- Letters 8
- Popularity Uncommon
- Births on record 23,987
Northern Ireland
#394
2010 births
Rhiannon is a girl's name. In 2025 it was given to 210 babies in the United States. It is used consistently but remains uncommon.
- Rhiannon is a name of Welsh origin.
- Peaked in 1999, when 651 babies were given the name.
- Its usage has held steady over the past decade.
- Today about 1 in 15,788 babies in the United States is given this name.
- First appears in US birth records in 1974.
Rhiannon over time
Births per decade in the United States, 1970s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1970s | 1,666 |
| 1980s | 3,281 |
| 1990s | 3,833 |
| 2000s | 4,075 |
| 2010s | 1,444 |
| 2020s (to 2025) | 1,245 |
How popular is Rhiannon?
In 2025, Rhiannon was given to 210 babies in the United States. It is used consistently but remains uncommon.
Where Rhiannon is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Rhiannon
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Rhiannon also like
Names whose popularity has risen and fallen in step with Rhiannon over the last century — the same taste, a different name.
Rhiannon in other languages
The same name as it is spelled elsewhere — not shortenings, and not different names that merely sound alike. Each one has its own record here.
Sibling names for Rhiannon
Names from the same era that won't rhyme or share an initial with Rhiannon — the two things that make a sibling set grate.
Common questions about Rhiannon
How popular is the name Rhiannon?
In 2025, Rhiannon was given to 210 babies in the United States. It is used consistently but remains uncommon.
Is Rhiannon a girl's or a boy's name?
Rhiannon is given almost entirely to girls in birth records.
When was Rhiannon most popular?
Rhiannon peaked in 1999, when 651 babies were given the name. Its usage has held steady over the past decade.
Is Rhiannon a good name?
That is not something records can settle, but they can tell you what you would be choosing. Rhiannon currently ranks #1,119 in the United States. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.