John T. O'Brien
Name: John T. O'Brien
Affiliation: Confederate
Unit:
Race: White
Place of Birth/Residence: Hagerstown, Washington County, MD
Enlistment Date: n/a
Rank at End of Service: Lieutenant
Source(s):
Daniel D. Hartzler, Marylanders in the Confederacy (Westminster, MD: Family Line Publications, 1986), 96.