The meaning of the name Jolyon is Youthful, Downy. The origin of the name Jolyon is English. This is the culture in which the name originated, or in the case of a word, the language.
Respelling of the name Julian. Character in the novel (and British TV show) "The Forsyte Saga" by John Galsworthy. Jolyon Wagg, character from The Adventures of Tintin comic books by HergÃ©.