UK boy's name
Deian
A Welsh name derived from the word "dewin", meaning "seer" or "druid".
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.
Deian is a boy's name in the UK records. People looking for Deian popularity in 2026 should use the latest official release, which is 2023 in this profile. In that release it ranked #4107, with 4 babies registered with the name. Its strongest year in the published records was 2008, with 10 births.
This profile covers 127 England and Wales registrations across 23 recorded years from 1996 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 40% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 126 living people in the UK are called Deian. 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
- • Deian ranked #4107 for boys in England and Wales in 2023, with 4 registrations.
- • The name peaked in 2008, when 10 boys were registered as Deian.
- • About 126 living people in the UK are estimated to have Deian as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4107
2023
Births in 2023
4
Latest year
Peak year
2008
10 births
Estimated living
126
2026
Meaning
What does Deian mean?
The name Deian is believed to originate from the Welsh language and culture, with its earliest known roots dating back to the Middle Ages. It is derived from the Welsh word "dyn," which means "man" or "human being." This suggests that the name Deian may have been initially used to signify a strong or noble masculine figure.
In ancient Welsh literature and poetry, the name Deian is occasionally mentioned, although its exact usage and context are sometimes difficult to discern. Some scholars have speculated that it may have been associated with certain Welsh mythological figures or legendary heroes, but concrete evidence is scarce.
One of the earliest recorded instances of the name Deian can be found in the historical records of the Kingdom of Gwynedd, a Welsh principality that existed during the 12th and 13th centuries. Deian ap Gruffydd (born around 1170) was a notable Welsh nobleman and military leader who played a significant role in the conflicts between Gwynedd and the English crown during that period.
Another notable figure bearing the name Deian was Deian Wiliam (1411-1468), a Welsh clergyman and scholar who served as the Bishop of St. Asaph and later the Bishop of Bangor. He was known for his contributions to the Welsh literary tradition and his efforts to promote education in Wales.
In the 16th century, Deian Llwyd (born around 1520) was a renowned Welsh poet and bard who wrote extensively in the Welsh language. His works were highly regarded and helped preserve the literary heritage of Wales during a tumultuous period of political and cultural upheaval.
During the 17th century, Deian Rhys (1621-1678) was a prominent Welsh writer and educator who authored several works on Welsh grammar and language instruction. He played a crucial role in fostering the study and preservation of the Welsh language during a time when it faced significant challenges.
In more recent times, Deian Hopkin (1904-1973) was a Welsh academic and historian who specialized in the study of Welsh literature and culture. He made significant contributions to the understanding of Wales's literary and intellectual heritage through his scholarly works and teaching.
While the name Deian has its roots in Welsh culture and history, it has also been adopted and used in various other contexts over the centuries. However, its enduring connection to Wales and the Welsh language remains a defining aspect of its heritage and meaning.
Sourced from namecensus.com.
Popularity
Deian over time
The chart below shows babies named Deian registered in England and Wales in the years where the name appears in the published records, from 1996 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 Deian, the clearest high point is 2008. The latest England and Wales figure is 4 births in 2023, compared with 10 at the peak.
Babies born per year
Decades
Deian by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Deian 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 | #3500 | 16 | 3 |
| 2010s | #3296 | 48 | 8 |
| 2000s | #2542 | 48 | 8 |
| 1990s | #2555 | 15 | 4 |
Related
Names similar to Deian
- 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
Deian: questions and answers
How popular is the name Deian in the UK right now?
In 2023, Deian was ranked #4107 for boys in England and Wales, with 4 births registered.
When was Deian most popular?
The peak year on record was 2008, with 10 babies registered as Deian in England and Wales.
What is the meaning and origin of Deian?
A Welsh name derived from the word "dewin", meaning "seer" or "druid".
How many people are called Deian in the UK?
A total of 127 babies have been registered as Deian across the 23 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.