UK boy's name
Deagan
Of Irish origin, meaning "man of the fort" or "diminutive warrior".
For 2026, the newest official UK baby-name figures on this page are from 2010. That release is the current official benchmark rather than a forecast.
Deagan is a boy's name in the UK records. People looking for Deagan popularity in 2026 should use the latest official release, which is 2010 in this profile. In that release it ranked #4678, with 3 babies registered with the name. Its strongest year in the published records was 2008, with 3 births.
This profile covers 6 England and Wales registrations across 2 recorded years from 2008 to 2010. 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 100% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 6 living people in the UK are called Deagan. 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 2011 or 2026.
Key insights
- • Deagan ranked #4678 for boys in England and Wales in 2010, with 3 registrations.
- • The name peaked in 2008, when 3 boys were registered as Deagan.
- • About 6 living people in the UK are estimated to have Deagan as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4678
2010
Births in 2010
3
Latest year
Peak year
2008
3 births
Estimated living
6
2026
Meaning
What does Deagan mean?
The name Deagan has its origins in the Gaelic language and is believed to have first appeared in Ireland during the Middle Ages. The name is derived from the Irish Gaelic word "deagán," which means "small fire" or "little flame." This suggests that the name may have been given to individuals who were known for their fiery personalities or perhaps had a connection to fire-related professions, such as blacksmiths or glassmakers.
The earliest recorded use of the name Deagan can be traced back to the 12th century, when it appeared in Irish historical records and manuscripts. One of the first notable individuals to bear this name was Deagan Ua Derrig, a renowned Irish historian and scholar who lived in the late 12th century.
In the 13th century, the name Deagan gained prominence through the works of the celebrated Irish poet and philosopher, Deagan Ó Bruadair (c. 1225-1298). His poetic works and philosophical writings greatly influenced the literary and intellectual traditions of Ireland during that time.
Another notable figure was Deagan Mac Lochlainn, a powerful Irish chieftain who ruled over the Kingdom of Ailech in the 12th century. He is remembered for his military prowess and his efforts to defend his territory against Norman invaders.
In the 16th century, Deagan O'Duffy (c. 1510-1582) was a renowned Irish physician and scholar. He authored several influential medical texts and was highly respected for his knowledge of traditional Irish healing practices.
During the 17th century, Deagan Ó Cathán (c. 1610-1678) was a prominent Irish historian and poet. He is best known for his extensive work, "Foras Feasa ar Éirinn" (The Foundation of Knowledge about Ireland), which chronicled the history and culture of Ireland.
While the name Deagan has its roots in Ireland, it has also been adopted and used in other parts of the world, particularly in regions with strong Irish cultural influences. However, it remains a relatively uncommon name, and its historical significance is primarily rooted in its Irish origins and the notable individuals who have carried the name throughout the centuries.
Sourced from namecensus.com.
Popularity
Deagan over time
The chart below shows babies named Deagan registered in England and Wales in the years where the name appears in the published records, from 2008 to 2010. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Deagan, the clearest high point is 2008. The latest England and Wales figure is 3 births in 2010, compared with 3 at the peak.
Babies born per year
Decades
Deagan by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Deagan 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 | #4678 | 3 | 1 |
| 2000s | #4432 | 3 | 1 |
Related
Names similar to Deagan
- 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
Deagan: questions and answers
How popular is the name Deagan in the UK right now?
In 2010, Deagan was ranked #4678 for boys in England and Wales, with 3 births registered.
When was Deagan most popular?
The peak year on record was 2008, with 3 babies registered as Deagan in England and Wales.
What is the meaning and origin of Deagan?
Of Irish origin, meaning "man of the fort" or "diminutive warrior".
How many people are called Deagan in the UK?
A total of 6 babies have been registered as Deagan across the 2 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.