UK boy's name
Lucas-Kai
For 2026, the newest official UK baby-name figures on this page are from 2013. That release is the current official benchmark rather than a forecast.
Lucas-Kai is a boy's name in the UK records. People looking for Lucas-Kai popularity in 2026 should use the latest official release, which is 2013 in this profile. In that release it ranked #4685, with 3 babies registered with the name. Its strongest year in the published records was 2013, with 3 births.
This profile covers 3 England and Wales registrations across 1 recorded years from 2013 to 2013. 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.
Lucas-Kai is at its recorded peak in the England and Wales series.
We estimate that about 3 living people in the UK are called Lucas-Kai. 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 2014 or 2026.
Key insights
- • Lucas-Kai ranked #4685 for boys in England and Wales in 2013, with 3 registrations.
- • The name peaked in 2013, when 3 boys were registered as Lucas-Kai.
- • About 3 living people in the UK are estimated to have Lucas-Kai as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4685
2013
Births in 2013
3
Latest year
Peak year
2013
3 births
Estimated living
3
2026
Decades
Lucas-Kai by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Lucas-Kai 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 | #4685 | 3 | 1 |
Related
Names similar to Lucas-Kai
- Luke 72,247
- Lewis 69,555
- Leo 63,249
- Liam 60,482
- Lucas 49,061
- Logan 40,771
- Louis 35,898
- Luca 30,323
- Louie 24,242
- Leon 22,308
- Levi 9,931
- Lee 7,861
FAQ
Lucas-Kai: questions and answers
How popular is the name Lucas-Kai in the UK right now?
In 2013, Lucas-Kai was ranked #4685 for boys in England and Wales, with 3 births registered.
When was Lucas-Kai most popular?
The peak year on record was 2013, with 3 babies registered as Lucas-Kai in England and Wales.
How many people are called Lucas-Kai in the UK?
A total of 3 babies have been registered as Lucas-Kai across the 1 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.