Decklin is of Scandinavian origin, derived from the Old Norse word 'Deklingr'. It is composed of two elements: 'Dagr', meaning 'day', and '-lingr', a suffix denoting 'descendant of'. Therefore, Decklin translates to 'descendant of Day', which suggests a connection to light, brightness, or possibly a deity associated with these aspects in Norse mythology. The name has gained popularity in recent times but is still considered quite unique.
The name Decklin experienced a notable increase in popularity from 2000 to 2016, peaking with 23 births in 2016. However, it has since declined, with only 5 births recorded in 2023. Over the entire period, there were a total of 218 Decklin births.