139th New York Infantry Regiment

139th New York Infantry Regiment
Active	September 9, 1862 - June 19, 1865
Disbanded	June 19, 1865
Country	United States
Allegiance	Union
Branch	Union Army
Type	Infantry
Role	Infantry
Size	Regiment
Engagements	Several skirmishes, Battle of Swift Creek, Battle of Proctor's Creek, Battle of Cold Harbor, Siege of Petersburg, Second Battle of Petersburg, Battle of the Crater, Battle of Chaffin's Farm, Battle of Fair Oaks & Darbytown Road
Commanders
Regimental Commander	Colonel Anthony Conk
Regimental Commander	Colonel Samuel H. Roberts
Regimental Commander	Lt. Colonel Thomas Mulcahy
Notable commanders	Col. Samuel H. Roberts

The 139th New York Infantry Regiment was an infantry regiment of Union Army in the American Civil War. The regiment was organized in 1862 in Brooklyn, New York. Volunteers were mostly recruited from Brooklyn, with some men being recruited from the surrounding areas.^[1]