Prestyn is of American origin, derived from an occupational surname meaning 'of Preston'. It gained popularity in recent years as parents seek unique names for their children.
The name Prestyn experienced varied popularity over the years, peaking with 59 births in 2008 and declining to a low of 20 births in 2021. It appears to have been quite popular from around 2006 to 2010, but has since seen a steady decrease in usage.