While Irish involvement in the US War of Independence was significant it paled by comparison with the commitment of the Irish diaspora in the USA to that country’s tragic Civil War. The Irish-born cohort in the Union army was at least 180,000 and 20,000 joined the Confederate army. No one knows more about Green, Blue and Grey than Damian Shiels, author of The Irish in the American Civil War, The Forgotten Irish: Irish Emigrant Experiences in America and Green and Blue: Irish Americans and the Union Military 1861-1865.

