Some good music of the era about Irish immigrants who fought on both sided of the Civil War
We Will Fight for Uncle Sam(Union)
https://www.youtube.com/watch?v=EQL_EQi3M3o
Irish who fought for the South:
https://www.youtube.com/watch?v=UPPB9LvCR1M&feature=related
Nice links. I really enjoyed those. My great grandfather was an Irishman who came from County Clare, joined the Union Army and was stationed in San Jose for the duration of the War.