I’m in no way an authority on this but I’ll take a crack at it. Blue fairy, Rumple, Hook (we first see him when Bae is about 7) There may be a chance that he’s even older than Rumple. Bealfire, Jimny, Gipetto, Cora?. As for the younger characters, we know Granny is older than Red. Red/Ruby is about the same age as Snow and James/David as is, Belle. Regina is about 10-12 years older than Snow. Then we have August, Emma, and finally Henry.