Llywelyn
3
Babies in 2024
-70%
10-year change
1999
Peak · 11
-67%
vs 2023
Trajectory · 1996→2024
Years with no bar had fewer than 3 babies with this name — ONS suppresses counts of 2 or fewer for privacy.
About the name Llywelyn
Llywelyn peaked among UK boys' names in the late 1990s (11 babies in 1999) and has remained in active use — 3 boys were registered in England & Wales in 2024.
Llywelyn reached its peak in 1999, when 11 boys were registered in England & Wales — ranked #1,199 for UK boys that year. Today's count of 3 keeps the name in regular use.
Across 28 years of ONS data since 1996, a total of 178 boys have been officially registered with the name Llywelyn in England & Wales. In the past decade alone (2014–2024), 79 boys were registered with the name, starting from 10 in 2014 and ending at 3 in 2024.