Iolo

Iolo was the #3,256 boys' name in England & Wales in 2025 (6 babies).

Iolo as a boy’s name

  • England & Wales
Iolo as a boy’s name, England & WalesBabies per 1,000 in the published list, 1996–2025, for England & Wales. Gaps mark years with too few babies to be published.00.030.050.080.1200020052010201520202025England & Wales
Iolo as a boy’s name, England & WalesBabies per 1,000 in the published list, 1996–2025, for England & Wales. Gaps mark years with too few babies to be published.00.030.050.080.1200020102020
Babies per 1,000 of the same sex in each published list. Breaks in a line are years with too few babies to be published.
Show the numbers
YearEngland & Wales
2025#3,256 (6)
2024#1,859 (13)
2023#4,108 (4)
2022#2,756 (7)
2021#3,451 (5)
2020#1,492 (16)
2019#2,488 (8)
2018#1,610 (15)
2017#2,172 (10)
2016#1,271 (21)
2015#1,380 (18)
2014#1,327 (19)
2013#1,063 (25)
2012#947 (31)
2011#1,158 (22)

The tide so far

  • Peaked in England & Wales in 2012 at #947.
  • Falling over the last five years.
  • In the England & Wales records since the data begins in 1996.

How common is it?

about 1 in 45,000 baby boys in the published England & Wales list for 2025.

In a group of 1,000 children born that year, you would expect to meet fewer than 1. How we work this out.

Next year

On its recent trend, Iolo is likely to keep rising in England & Wales in 2026: about 1 in 31,000 baby boys. Likely range 1 in 12,000 to 1 in 82,000.

Estimate, not an official figure. How we estimate.