UK boy's name
Lennan
A masculine name of Irish origin meaning "land, territory" or "valley".
For 2026, the newest official UK baby-name figures on this page are from 2011. That release is the current official benchmark rather than a forecast.
Lennan is a boy's name in the UK records. People looking for Lennan popularity in 2026 should use the latest official release, which is 2011 in this profile. In that release it ranked #4647, with 3 babies registered with the name. Its strongest year in the published records was 2005, with 5 births.
This profile covers 20 England and Wales registrations across 5 recorded years from 2004 to 2011. The figures come from ONS England and Wales and NRS Scotland, 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 60% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 23 living people in the UK are called Lennan. 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 2012 or 2026.
Key insights
- • Lennan ranked #4647 for boys in England and Wales in 2011, with 3 registrations.
- • The name peaked in 2005, when 5 boys were registered as Lennan.
- • Lennan ranks best in Scotland in the latest published regional snapshot for that area, where it placed #626 in 2009.
- • About 23 living people in the UK are estimated to have Lennan as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4647
2011
Births in 2011
3
Latest year
Peak year
2005
5 births
Estimated living
23
2026
Meaning
What does Lennan mean?
The name Lennan is believed to have its origins in the ancient Celtic language of Brittonic, which was spoken in parts of what is now Great Britain and France during the Iron Age and Roman era. The name is thought to be derived from the Brittonic root "len," meaning "path" or "track," suggesting a possible connection to travel or journeys.
One of the earliest recorded instances of the name Lennan can be found in the Welsh Triads, a collection of traditional Welsh folklore and literature dating back to the 13th century. In these texts, Lennan is mentioned as the name of a legendary Welsh prince and warrior who fought against Saxon invaders.
During the Middle Ages, the name Lennan appears to have been more prevalent in regions of Wales and Cornwall, where ancient Celtic traditions and languages had a stronger foothold. Several notable historical figures bore the name during this period, including Lennan ap Gwilym (born c. 1340), a Welsh bard and poet renowned for his lyrical works celebrating nature and love.
In the 16th century, a Cornish explorer and navigator named Lennan Trelawny (1535-1604) gained fame for his daring voyages to the Americas and his role in establishing early English settlements in Virginia. His exploits were recorded in various accounts of the time, cementing his place in the annals of British maritime history.
Another noteworthy figure with the name Lennan was Lennan ap Rhys (1650-1718), a Welsh clergyman and scholar who made significant contributions to the study of Welsh language and literature. His works, including translations of ancient Welsh texts and grammars, helped preserve and promote the cultural heritage of Wales.
In more recent times, the name Lennan has been less common, though it has been carried on by a few individuals of note. One such person was Lennan Satterthwaite (1885-1971), a British archaeologist and historian who conducted extensive research on ancient Celtic settlements and burial sites in the British Isles.
While the name Lennan may not be as widely used today as it once was, its rich history and Celtic roots make it a unique and intriguing moniker that harkens back to the legends and traditions of ancient Britain and Wales.
Sourced from namecensus.com.
Popularity
Lennan over time
The chart below shows babies named Lennan registered in England and Wales in the years where the name appears in the published records, from 2004 to 2011. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Lennan, the clearest high point is 2005. The latest England and Wales figure is 3 births in 2011, compared with 5 at the peak.
Babies born per year
Decades
Lennan by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Lennan 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 | #3990 | 8 | 2 |
| 2000s | #3430 | 12 | 3 |
Geography
Where Lennan is most common
The bars show the latest published local birth counts for Lennan. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.
Lennan ranks best in Scotland in the latest published regional snapshot for that area, where it placed #626 in 2009.
Across the UK
Lennan in Scotland and Northern Ireland
Scotland (NRS)
#626 in 2009
1 years of NRS records, 3 total registered
Related
Names similar to Lennan
- 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
Lennan: questions and answers
How popular is the name Lennan in the UK right now?
In 2011, Lennan was ranked #4647 for boys in England and Wales, with 3 births registered.
When was Lennan most popular?
The peak year on record was 2005, with 5 babies registered as Lennan in England and Wales.
What is the meaning and origin of Lennan?
A masculine name of Irish origin meaning "land, territory" or "valley".
How many people are called Lennan in the UK?
A total of 20 babies have been registered as Lennan across the 5 years of ONS England & Wales records shown here, plus 3 more in Scotland.
Where is Lennan most common?
In the latest published local rankings, Lennan ranks best in Scotland, where it placed #626 in 2009. The regional bars on this page use birth counts, so they also reflect the size of each region.
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.