Nixen is of German origin, derived from the word 'Nix,' which means 'water sprite' or 'water spirit.' In German folklore, Nixen are mythical creatures that inhabit bodies of water such as rivers and lakes. The name was originally used to refer to these enchanting beings but has since evolved into a unisex given name.
The name Nixen experienced a notable peak in popularity between 2014 and 2015 with 13 births recorded in the latter year, before tapering off to around 7 births annually from 2016 onwards.