Rhiannon
A Welsh name from the Mabinogi tales, where Rhiannon is a horse-riding noblewoman. It derives from the Old Celtic Rigantona, meaning 'great queen'.
Rhiannon in 2025
Rhiannon was given to 210 babies in the United States in 2025, making it the 2,142nd most popular name of the year. That is roughly one in every 15,787 babies born.
The history of Rhiannon
Rhiannon reached its highest point in 1999, when 651 babies were given the name, ranking 813th that year. Its best-ever ranking was 769th, in 1977.
Across the 52 years of records since 1974, 15,544 babies have been named Rhiannon. Half of them were born before 1998, which places the name's centre of gravity with Generation Z.
Rhiannon by decade
| Decade | Babies named Rhiannon | Best rank |
|---|---|---|
| 1970s | 1,666 | 769 |
| 1980s | 3,281 | 891 |
| 1990s | 3,833 | 813 |
| 2000s | 4,075 | 858 |
| 2010s | 1,444 | 2,291 |
| 2020s | 1,245 | 2,072 |
Where Rhiannon is heading
Rhiannon has risen 75% over the past decade, from 120 babies in 2015 to 210 in 2025.
Names like Rhiannon
Names that rose and fell at the same time as Rhiannon.