Will my child share the name Rhiannon with classmates?

Unlikely. With around 22 UK babies named Rhiannon per year, your child will almost certainly be the only Rhiannon in their class, and possibly the only one in the whole school.

Is Rhiannon becoming more or less popular in the UK?

Rhiannon has been fairly steady, ranked #1,407 in 2025 against #1,313 in 2020. Its best recorded position was #83 in 1998.

Is Rhiannon a good choice for a distinctive name?

Rhiannon is a distinctive choice sitting outside the mainstream UK top names. Parents choosing less common names often find their children appreciate the individuality as they grow up, rarely needing to add an initial to distinguish themselves.

Who are some famous people named Rhiannon?

Notable people named Rhiannon include: Rhiannon Dixon, Rhiannon King and Rhiannon Lambert.

Is Rhiannon a popular baby name in the United States?

Rhiannon does not appear in the US top 1,000 baby names, making it a distinctively British choice.

👧 Girl's name 💎 Relatively Unique UK #1407

Rhiannon

🗳️ Add Rhiannon to a family shortlist

Rhiannon is a distinctive choice, ranked #1407 in 2025. Your child is likely to be the only Rhiannon in their class.

💎

UK Rank 2025

#1407

About the Name Rhiannon

Rhiannon is climbing rapidly up the charts, having climbed 115 places in just five years. Its best recorded rank was #83 in 1998 — and current momentum suggests it could challenge that mark again. The name has been a consistent presence in UK records since 1996. It has broken into the UK top 100 on 5 occasions, signalling genuine mainstream interest.

Rhiannon is uncommon in the UK, so your child is very likely to be the only Rhiannon in their class.

⭐ Famous People Named Rhiannon

Rhiannon Dixon — Rhiannon Dixon is an English professional boxer who is a former WBO female World lightweight champion.
Rhiannon King — Rhiannon Elizabeth King is a British Anglican bishop.
Rhiannon Lambert — Rhiannon Lambert is an English registered nutritionist, author and advocate of plant-rich dietary patterns.

Biographical summaries are shortened from Wikipedia and are used under the CC BY-SA 4.0 licence; those summaries remain available under that same licence.