UK boy's name
Dei
For 2026, the newest official UK baby-name figures on this page are from 2023. That release is the current official benchmark rather than a forecast.
Dei is a boy's name in the UK records. People looking for Dei popularity in 2026 should use the latest official release, which is 2023 in this profile. In that release it ranked #4991, with 3 babies registered with the name. Its strongest year in the published records was 2018, with 3 births.
This profile covers 9 England and Wales registrations across 3 recorded years from 2018 to 2023. 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 100% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 9 living people in the UK are called Dei. 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 2024 or 2026.
Key insights
- • Dei ranked #4991 for boys in England and Wales in 2023, with 3 registrations.
- • The name peaked in 2018, when 3 boys were registered as Dei.
- • About 9 living people in the UK are estimated to have Dei as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4991
2023
Births in 2023
3
Latest year
Peak year
2018
3 births
Estimated living
9
2026
Popularity
Dei over time
The chart below shows babies named Dei registered in England and Wales in the years where the name appears in the published records, from 2018 to 2023. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Dei, the clearest high point is 2018. The latest England and Wales figure is 3 births in 2023, compared with 3 at the peak.
Babies born per year
Decades
Dei by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Dei 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 | #4800 | 6 | 2 |
| 2010s | #4749 | 3 | 1 |
Related
Names similar to Dei
- Daniel 120,900
- Dylan 60,836
- David 37,852
- Dominic 20,480
- Declan 11,657
- Dexter 11,627
- Danny 8,434
- Dean 5,329
- Dillon 4,113
- Douglas 3,773
- Dominik 3,494
- Damian 3,486
FAQ
Dei: questions and answers
How popular is the name Dei in the UK right now?
In 2023, Dei was ranked #4991 for boys in England and Wales, with 3 births registered.
When was Dei most popular?
The peak year on record was 2018, with 3 babies registered as Dei in England and Wales.
How many people are called Dei in the UK?
A total of 9 babies have been registered as Dei 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.