UK boy's name
Theo-Jay
For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.
Theo-Jay is a boy's name in the UK records. People looking for Theo-Jay popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #4270, with 4 babies registered with the name. Its strongest year in the published records was 2017, with 7 births.
This profile covers 29 England and Wales registrations across 7 recorded years from 2017 to 2024. 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 57% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 29 living people in the UK are called Theo-Jay. 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 2025 or 2026.
Key insights
- • Theo-Jay ranked #4270 for boys in England and Wales in 2024, with 4 registrations.
- • The name peaked in 2017, when 7 boys were registered as Theo-Jay.
- • About 29 living people in the UK are estimated to have Theo-Jay as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4270
2024
Births in 2024
4
Latest year
Peak year
2017
7 births
Estimated living
29
2026
Popularity
Theo-Jay over time
The chart below shows babies named Theo-Jay registered in England and Wales in the years where the name appears in the published records, from 2017 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Theo-Jay, the clearest high point is 2017. The latest England and Wales figure is 4 births in 2024, compared with 7 at the peak.
Babies born per year
Decades
Theo-Jay by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Theo-Jay 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 | #4269 | 19 | 5 |
| 2010s | #3742 | 10 | 2 |
Related
Names similar to Theo-Jay
- Thomas 160,894
- Tyler 42,147
- Theo 40,594
- Toby 32,482
- Theodore 30,211
- Tommy 25,300
- Teddy 20,781
- Taylor 14,354
- Tobias 13,102
- Tom 9,822
- Tristan 9,171
- Timothy 6,200
FAQ
Theo-Jay: questions and answers
How popular is the name Theo-Jay in the UK right now?
In 2024, Theo-Jay was ranked #4270 for boys in England and Wales, with 4 births registered.
When was Theo-Jay most popular?
The peak year on record was 2017, with 7 babies registered as Theo-Jay in England and Wales.
How many people are called Theo-Jay in the UK?
A total of 29 babies have been registered as Theo-Jay across the 7 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.