UK boy's name
Mostyn
Celtic name referring to someone associated with a monastery or dwelling of monks.
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.
Mostyn is a boy's name in the UK records. People looking for Mostyn popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #5119, with 3 babies registered with the name. Its strongest year in the published records was 2014, with 6 births.
This profile covers 47 England and Wales registrations across 12 recorded years from 2008 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 50% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 47 living people in the UK are called Mostyn. 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
- • Mostyn ranked #5119 for boys in England and Wales in 2024, with 3 registrations.
- • The name peaked in 2014, when 6 boys were registered as Mostyn.
- • About 47 living people in the UK are estimated to have Mostyn as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#5119
2024
Births in 2024
3
Latest year
Peak year
2014
6 births
Estimated living
47
2026
Meaning
What does Mostyn mean?
The given name Mostyn is of Welsh origin, deriving from the words "mwst" meaning "close" and "tyn" meaning "house" or "homestead". It is believed to have originated in the medieval period, around the 13th or 14th century, in the region of North Wales.
The name Mostyn is closely associated with the historic Mostyn family, who trace their lineage to the Anglo-Norman lords who settled in Flintshire, Wales, following the Norman Conquest of England in 1066. The family's ancestral seat was the Mostyn Hall estate near the town of Mostyn.
One of the earliest recorded instances of the name Mostyn dates back to the 13th century, when Sir Roger de Mostyn was mentioned in the Domesday Book of 1086. Another notable figure was Sir Thomas Mostyn (1490-1558), a Welsh landowner and High Sheriff of Flintshire during the reign of King Henry VIII.
In the 17th century, Sir Roger Mostyn (1617-1690) was a prominent Welsh politician and member of the Parliament of England. He was a staunch Royalist during the English Civil War and was knighted by King Charles II in 1661.
The name Mostyn also appears in religious texts, such as the Book of Common Prayer used by the Church of England, which includes a prayer for the Mostyn family.
Other notable individuals with the given name Mostyn include:
1. Mostyn John Armstrong (1805-1892), a British naval officer and colonial administrator who served as the 5th Governor of New South Wales, Australia.
2. Mostyn Tiddri Tomas Lloyd Piozzi (1825-1904), a Welsh writer and artist, best known for his memoir "Pencillings of a Tour in Wales" published in 1845.
3. Mostyn Pigott (1865-1942), a British painter and etcher, known for his landscapes and portraits.
4. Mostyn Uvedale Miller (1880-1959), a British army officer and recipient of the Victoria Cross, the highest military decoration awarded for valor in the British Armed Forces.
5. Mostyn Merridith (1905-1996), a Welsh actor and playwright, best known for his roles in films such as "The Blue Lamp" (1950) and "The Cruel Sea" (1953).
While the name Mostyn may have declined in popularity in recent times, it remains an integral part of Welsh cultural heritage and a testament to the rich history of the region.
Sourced from namecensus.com.
Popularity
Mostyn over time
The chart below shows babies named Mostyn registered in England and Wales in the years where the name appears in the published records, from 2008 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 Mostyn, the clearest high point is 2014. The latest England and Wales figure is 3 births in 2024, compared with 6 at the peak.
Babies born per year
Decades
Mostyn by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Mostyn 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 | #5119 | 3 | 1 |
| 2010s | #3978 | 37 | 9 |
| 2000s | #4107 | 7 | 2 |
Related
Names similar to Mostyn
- Matthew 80,931
- Mohammed 74,321
- Muhammad 72,235
- Max 59,807
- Michael 47,075
- Mason 38,935
- Mohammad 25,910
- Morgan 15,994
- Muhammed 11,527
- Mark 11,336
- Marcus 11,257
- Maxwell 10,006
FAQ
Mostyn: questions and answers
How popular is the name Mostyn in the UK right now?
In 2024, Mostyn was ranked #5119 for boys in England and Wales, with 3 births registered.
When was Mostyn most popular?
The peak year on record was 2014, with 6 babies registered as Mostyn in England and Wales.
What is the meaning and origin of Mostyn?
Celtic name referring to someone associated with a monastery or dwelling of monks.
How many people are called Mostyn in the UK?
A total of 47 babies have been registered as Mostyn across the 12 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.