UK boy's name
Fionnan
For 2026, the newest official UK baby-name figures on this page are from 2019. That release is the current official benchmark rather than a forecast.
Fionnan is a boy's name in the UK records. People looking for Fionnan popularity in 2026 should use the latest official release, which is 2019 in this profile. In that release it ranked #4702, with 3 babies registered with the name. Its strongest year in the published records was 2000, with 3 births.
This profile covers 9 England and Wales registrations across 3 recorded years from 2000 to 2019. The figures come from ONS England and Wales and NISRA Northern Ireland, 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 100% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 53 living people in the UK are called Fionnan. 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 2020 or 2026.
Key insights
- • Fionnan ranked #4702 for boys in England and Wales in 2019, with 3 registrations.
- • The name peaked in 2000, when 3 boys were registered as Fionnan.
- • Fionnan ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #395 in 2023.
- • About 53 living people in the UK are estimated to have Fionnan as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4702
2019
Births in 2019
3
Latest year
Peak year
2000
3 births
Estimated living
53
2026
Popularity
Fionnan over time
The chart below shows babies named Fionnan registered in England and Wales in the years where the name appears in the published records, from 2000 to 2019. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Fionnan, the clearest high point is 2000. The latest England and Wales figure is 3 births in 2019, compared with 3 at the peak.
Babies born per year
Decades
Fionnan by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Fionnan 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 | #4675 | 6 | 2 |
| 2000s | #3036 | 3 | 1 |
Geography
Where Fionnan is most common
The bars show the latest published local birth counts for Fionnan. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.
Fionnan ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #395 in 2023.
Across the UK
Fionnan in Scotland and Northern Ireland
Northern Ireland (NISRA)
#395 in 2023
12 years of NISRA records, 44 total registered
Related
Names similar to Fionnan
- Freddie 46,945
- Finley 42,410
- Frederick 19,866
- Finlay 17,879
- Frankie 17,528
- Finn 14,413
- Felix 14,361
- Fraser 6,470
- Flynn 6,170
- Frank 5,992
- Filip 5,876
- Francis 5,744
FAQ
Fionnan: questions and answers
How popular is the name Fionnan in the UK right now?
In 2019, Fionnan was ranked #4702 for boys in England and Wales, with 3 births registered.
When was Fionnan most popular?
The peak year on record was 2000, with 3 babies registered as Fionnan in England and Wales.
How many people are called Fionnan in the UK?
A total of 9 babies have been registered as Fionnan across the 3 years of ONS England & Wales records shown here and 44 in Northern Ireland.
Where is Fionnan most common?
In the latest published local rankings, Fionnan ranks best in Northern Ireland, where it placed #395 in 2023. The regional bars on this page use birth counts, so they also reflect the size of each region.
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.