D. Scherer, Pennsylvania's records are a good poorer than my home state of Illinois. I have attempted to get PA records before and they tend to be pretty sad. However, if you click: http://sunsite.utk.edu/civil-war/unit3.html you will find a huge page of volunteer correspondents who will attempt to provide or lead you to information about every unit that fought in the Civil War. In your case the 7th PA Cav. (80th reg) Co M 1862-5 is obtained through the volunteer: mattson@mary.fordham.edu . Please get back with him or her with whatever you discover and, pardon my cautioning, but these are volunteers and they are retained through kindness and gratefulness. Good luck, Dick Hudson