Llywelyn
- Gender
- Boy
- Say it
- loo-EL-in
- Origin
- Welsh
- UK rank, 2025
- #3,021 for boys
Llywelyn is a boys' name of Welsh origin. In 2025 it ranked 3,021st for boys in the UK (7 babies).
What does Llywelyn mean?
Welsh: medieval Welsh name of uncertain derivation
Borne by Llywelyn the Great, who ruled most of Wales in the early 13th century.
Is Llywelyn a girl's or a boy's name?
Llywelyn is a boys' name. In 2025, it was given to 7 boys in the UK. Too few girls were given it to be listed.
How popular is Llywelyn in the UK?
- Rank in 2025
- 3,021st among boys
- Babies in 2025
- 7 about 1 in 43,000 boys
- Five-year trend
- Steady down 14% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 7 boys in the UK were named Llywelyn, making it the 3,021st most popular name for boys. Five years earlier, in 2020, it was 2,052nd. Its busiest year was 1999, with 11 boys.
Half of all the boys named Llywelyn in the UK since 1996 were born between 2004 and 2019. It was already well used in 1996, when the records begin, so earlier boys aren't counted.
In 2025, 27 boys in the UK were given Llywelyn or a name that sounds the same. With every name's spellings counted this way, that ranks #1,019, up from #3,021 for this spelling alone.
Among boys in 2025, it was 2,938th in England and Wales.
Llywelyn in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 7 | #3,021 |
| 2024 | 3 | #5,198 |
| 2023 | 9 | #2,468 |
| 2022 | 6 | #3,219 |
| 2021 | 10 | #2,257 |
| 2020 | 11 | #2,052 |
| 2019 | 3 | #4,913 |
| 2018 | 8 | #2,576 |
| 2017 | 6 | #3,191 |
| 2016 | 7 | #2,947 |
| 2015 | 6 | #3,149 |
| 2014 | 10 | #2,207 |
| 2013 | 6 | #3,096 |
| 2012 | 7 | #2,849 |
| 2011 | 3 | #4,837 |
| 2010 | 7 | #2,775 |
| 2009 | 5 | #3,395 |
| 2008 | 10 | #2,048 |
| 2007 | 7 | #2,554 |
| 2006 | 6 | #2,645 |
| 2005 | 1 | #5,109 |
| 2004 | 3 | #3,792 |
| 2003 | 3 | #3,593 |
| 2002 | 3 | #3,325 |
| 2001 | 6 | #2,049 |
| 2000 | 7 | #1,775 |
| 1999 | 11 | #1,267 |
| 1998 | 5 | #2,170 |
| 1997 | 5 | #2,109 |
| 1996 | 6 | #1,840 |
Nicknames for Llywelyn
- Llew 10 boys in the UK in 2025
Names like Llywelyn
Names given in the same years and the same naming tradition, with a similar sound.
Ronan, Lochlan, Rowan, Cillian, Cassian, Callan, Conan, Brody, Finn, Bryn, Rory, Emlyn
Other spellings of Llywelyn
Names related to Llywelyn
More Welsh names
Dylan, Owen, Winnie, Maddox, Morgan, Idris, Reese, Bowen, Griffin, Rhys, Gavin, Reece, Nia, Seren, Gwendolyn, Winifred
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland) and Baby names (Northern Ireland Statistics and Research Agency). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Llywelyn: name meaning, origin and popularity”, https://www.nameling.co.uk/names/llywelyn, updated 20 October 2026.