Will my child share the name Iolo with classmates?

Unlikely. With around 6 UK babies named Iolo per year, your child will almost certainly be the only Iolo in their class, and possibly the only one in the whole school.

Is Iolo becoming more or less popular in the UK?

Iolo is declining: down 1,764 places since 2020, to #3,256 in 2025. It peaked at #947 in 2012.

Is Iolo a good choice for a distinctive name?

Iolo 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.

Is Iolo a popular baby name in the United States?

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

👦 Boy's name 💎 Relatively Unique UK #3256

Iolo

🗳️ Add Iolo to a family shortlist

Iolo is a distinctive choice, ranked #3256 in 2025. Your child is likely to be the only Iolo in their class.

💎

UK Rank 2025

#3256

About the Name Iolo

Iolo has seen a notable decline in recent years, dropping 367 places in five years. It was most popular in 2012 at #947 — parents choosing it today are making a deliberately counter-trend decision. The name has been a consistent presence in UK records since 1996.

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

⭐ Famous People Named Iolo

Iolo Morganwg — Edward Williams, better known by his bardic name Iolo Morganwg, was a Welsh antiquarian, poet and collector.
Iolo Aneurin Williams — Captain Iolo Aneurin Williams, was a British writer, journalist and Liberal Party politician.

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.