UK boy's name
Isaa
For 2026, the newest official UK baby-name figures on this page are from 2022. That release is the current official benchmark rather than a forecast.
Isaa is a boy's name in the UK records. People looking for Isaa popularity in 2026 should use the latest official release, which is 2022 in this profile. In that release it ranked #4789, with 3 babies registered with the name. Its strongest year in the published records was 2011, with 8 births.
This profile covers 60 England and Wales registrations across 14 recorded years from 2002 to 2022. 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.
The latest count is about 38% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 60 living people in the UK are called Isaa. 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 2023 or 2026.
Key insights
- • Isaa ranked #4789 for boys in England and Wales in 2022, with 3 registrations.
- • The name peaked in 2011, when 8 boys were registered as Isaa.
- • About 60 living people in the UK are estimated to have Isaa as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4789
2022
Births in 2022
3
Latest year
Peak year
2011
8 births
Estimated living
60
2026
Popularity
Isaa over time
The chart below shows babies named Isaa registered in England and Wales in the years where the name appears in the published records, from 2002 to 2022. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Isaa, the clearest high point is 2011. The latest England and Wales figure is 3 births in 2022, compared with 8 at the peak.
Babies born per year
Decades
Isaa by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Isaa 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 |
|---|---|---|---|
| 2020s | #4062 | 8 | 2 |
| 2010s | #3598 | 31 | 6 |
| 2000s | #3713 | 21 | 6 |
Related
Names similar to Isaa
- Isaac 49,129
- Ibrahim 14,115
- Ismail 4,679
- Isaiah 4,629
- Idris 3,810
- Ivan 3,146
- Isa 2,943
- Ian 2,805
- Ilyas 2,552
- Ieuan 2,515
- Ibraheem 2,384
- Ioan 2,295
FAQ
Isaa: questions and answers
How popular is the name Isaa in the UK right now?
In 2022, Isaa was ranked #4789 for boys in England and Wales, with 3 births registered.
When was Isaa most popular?
The peak year on record was 2011, with 8 babies registered as Isaa in England and Wales.
How many people are called Isaa in the UK?
A total of 60 babies have been registered as Isaa across the 14 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.