Caylen is of Welsh origin, meaning 'calm' or 'serene'. It is derived from the Welsh word 'caled', which means 'bald'. The name gained popularity in recent years due to its unique sound and spelling.
The name Caylen experienced a significant increase in popularity between the late 1980s and early 2000s, with the highest number of births occurring in 2006 (31 births) and again in 2007-2010 (41 births each year). However, since 2015, there has been a notable decrease in the name's usage, with fewer than 20 births per year. As of 2023, Caylen has been chosen for 11 births so far this year.