Deklen is of American origin, derived from an Old German name meaning 'from the valley'. It is a modern creation, not found in historical records but gaining popularity in recent years.
The name Deklen experienced a significant increase in popularity between 2012 and 2014, with the number of births more than doubling from 19 to 41 during that period. However, it has since seen fluctuations, with the most recent year (2023) showing another notable rise after a dip in 2022. Over the entire span of 2008 to 2023, there have been a total of 292 births named Deklen.