UK girl's name
Sienna-Leigh
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.
Sienna-Leigh is a girl's name in the UK records. People looking for Sienna-Leigh popularity in 2026 should use the latest official release, which is 2023 in this profile. In that release it ranked #5687, with 3 babies registered with the name. Its strongest year in the published records was 2017, with 12 births.
This profile covers 97 England and Wales registrations across 15 recorded years from 2008 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 25% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 97 living people in the UK are called Sienna-Leigh. 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
- • Sienna-Leigh ranked #5687 for girls in England and Wales in 2023, with 3 registrations.
- • The name peaked in 2017, when 12 girls were registered as Sienna-Leigh.
- • About 97 living people in the UK are estimated to have Sienna-Leigh as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#5687
2023
Births in 2023
3
Latest year
Peak year
2017
12 births
Estimated living
97
2026
Popularity
Sienna-Leigh over time
The chart below shows babies named Sienna-Leigh registered in England and Wales in the years where the name appears in the published records, from 2008 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 Sienna-Leigh, the clearest high point is 2017. The latest England and Wales figure is 3 births in 2023, compared with 12 at the peak.
Babies born per year
Decades
Sienna-Leigh by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Sienna-Leigh 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 | #4392 | 14 | 3 |
| 2010s | #3386 | 74 | 10 |
| 2000s | #4230 | 9 | 2 |
Related
Names similar to Sienna-Leigh
- Sophie 103,803
- Sophia 46,936
- Scarlett 34,261
- Sienna 32,418
- Sofia 29,136
- Sarah 27,961
- Shannon 25,510
- Summer 24,167
- Sara 14,205
- Skye 13,654
- Samantha 12,697
- Stephanie 9,309
FAQ
Sienna-Leigh: questions and answers
How popular is the name Sienna-Leigh in the UK right now?
In 2023, Sienna-Leigh was ranked #5687 for girls in England and Wales, with 3 births registered.
When was Sienna-Leigh most popular?
The peak year on record was 2017, with 12 babies registered as Sienna-Leigh in England and Wales.
How many people are called Sienna-Leigh in the UK?
A total of 97 babies have been registered as Sienna-Leigh across the 15 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.