I think it's rather precious.
Julian is already kind of precious, but
Jolyon is just sort over the top British public school fop to me. Forgetting that context, it has a nice enough sound. I pronounce it JOLE-yun.
Jolyon AlfredJolyon BarnabyJolyon ChesterJolyon DavidJolyon EdgarJolyon FrederickJolyon GarthJolyon HeathJolyon IsaiahThis message was edited 9/23/2010, 2:12 PM