The name Jeryn is of Welsh origin, derived from the ancient Welsh personal name 'Gerwyn', which means 'smooth brow' or 'peaceful'. It was traditionally given to boys born with a smooth forehead or during times of peace. Over time, the spelling evolved into its current form, Jeryn.
The name Jeryn experienced intermittent popularity between 1981 and 2013, with peaks occurring in the late 1990s to early 2000s. The highest birth years were 1999 (6 births) and 2013 (7 births), while the lowest occurred in 1981 and 2003-2007, with only 5 births each year. Overall, Jeryn was given to a total of 61 newborns during this period.