Blen is of Welsh origin, meaning 'leader'. It's a unisex name, but has been more commonly used for males historically.
The name Blen experienced a significant increase in popularity from 2004 to 2018, peaking at 27 births both years. However, it has since declined, with only 10 births recorded in 2021 and 12 in 2023. Overall, there have been 265 babies named Blen between 2004 and 2023.