Dillyn is an uncommon given name of uncertain origin and meaning. It gained some popularity in the late 20th century, particularly in South Africa. The name Dillyn has a modern and unique sound to it, making it stand out among more traditional names.
"The name Dillyn peaked in popularity between 2007 and 2014 with an average of over 15 births per year. However, it has since declined, with only 7 births recorded in both 2021 and 2022."