David Kincaid has two CD's out that have twenty-four Irish American songs in total from the Civil War era on them. In my opinion they are brilliant CD's. There are songs from both the Union and Confederate soldiers. They can be found on this web site:Here
By they way from what I have learned some of the Irish were conscripted upon arrival here in America. It was easy they were hungry and in need of a situation. $5.00 and the promise of citizenship and pension was all that was needed to entice them to fight.