Possibly the swiftest route to your roots.
Irish genealogy website directory.
www.thewildgeese.com/pages/gettysbu.html
Description:
"The land of the Shamrock, as on other fields, contributed its quota on the strongly contested ground." Colonel Joseph Newton Brown of the 14th South Carolina, a veteran of the Pickett/Pettigrew Charge, writing of the battle of Gettysburg.