To Youth (My Sweet Roisin Dubh) Lyrics

Lyric discussion by RomanChristopher 

Cover art for To Youth (My Sweet Roisin Dubh) lyrics by Flogging Molly

They refered to Ireland as Roisin Dubh because poets were forbidden to write political verse, and therefore came up with Roisin Dubh to mean Ireland. I think he has gotten frustrated more literally with the conditions in Ireland, so he is leaving even though he loves his country. Just as a person leaves a loved one even though they do love them.