Why is this post named 'I see you're posting from Great Britain'? What does that have to do with it?
Anyhow, I think that was a bit harsh, but I'm not arguing.
But on with the answers:
Elysia: Uh-LEE-see-yuh
Elicia: Uh-LEE-see-yuh or Uh-LEE-shuh
Haley : HAY-lee or HAH-ley or HEH-lee
Hallie : HAH-lee or HEH-lee
Hayley : HAY-lee