UK girl's name
Iolanthe
For 2026, the newest official UK baby-name figures on this page are from 2018. That release is the current official benchmark rather than a forecast.
Iolanthe is a girl's name in the UK records. People looking for Iolanthe popularity in 2026 should use the latest official release, which is 2018 in this profile. In that release it ranked #4684, with 4 babies registered with the name. Its strongest year in the published records was 2018, with 4 births.
This profile covers 10 England and Wales registrations across 3 recorded years from 2003 to 2018. The figures come from ONS England and Wales, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.
Iolanthe is at its recorded peak in the England and Wales series.
We estimate that about 10 living people in the UK are called Iolanthe. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2019 or 2026.
Key insights
- • Iolanthe ranked #4684 for girls in England and Wales in 2018, with 4 registrations.
- • The name peaked in 2018, when 4 girls were registered as Iolanthe.
- • About 10 living people in the UK are estimated to have Iolanthe as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4684
2018
Births in 2018
4
Latest year
Peak year
2018
4 births
Estimated living
10
2026
Popularity
Iolanthe over time
The chart below shows babies named Iolanthe registered in England and Wales in the years where the name appears in the published records, from 2003 to 2018. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Iolanthe, the clearest high point is 2018. The latest England and Wales figure is 4 births in 2018, compared with 4 at the peak.
Babies born per year
Decades
Iolanthe by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Iolanthe was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.
| Decade | Average rank | Total births | Years covered |
|---|---|---|---|
| 2010s | #5280 | 7 | 2 |
| 2000s | #4373 | 3 | 1 |
Related
Names similar to Iolanthe
- Isabella 58,822
- Isla 51,854
- Isabelle 46,163
- Imogen 33,758
- Ivy 23,306
- Isabel 20,895
- Isobel 19,706
- Iris 10,353
- India 8,371
- Iqra 4,452
- Indie 3,873
- Iona 3,682
FAQ
Iolanthe: questions and answers
How popular is the name Iolanthe in the UK right now?
In 2018, Iolanthe was ranked #4684 for girls in England and Wales, with 4 births registered.
When was Iolanthe most popular?
The peak year on record was 2018, with 4 babies registered as Iolanthe in England and Wales.
How many people are called Iolanthe in the UK?
A total of 10 babies have been registered as Iolanthe across the 3 years of ONS England & Wales records shown here.
Which records is this page based on?
The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.