Nichlson's (William T.) Infantry. See North Carolina Troops, Confederate, 37th Regiment.

Nickerson's (Albert A.) Infantry. See Pennsylvania Troops, 61st Regiment.

Niebuhr's (Caleb E.) Heavy Artillery. See Massachusetts Troops, 1st Battalion, Battery B.

Niles' (Charles M.) Heavy Artillery. See New York Troops, 7th Regiment.

Noble's (Joseph) Infantry. See Maine Troops, 9th Regiment.

Noggle's (Dorman L.) Artillery. See Wisconsin Troops, 4th Battery.

Norcom's (Joseph) Artillery. See Washington (La.) Artillery, post, 4th Battery.

Norfolk Blues, Artillery. See Virginia Troops, Confederate.

Norment's (George M.) Infantry. See North Carolina Troops, Confederate, 34th Regiment.

Norris' (Charles E.) Cavalry. See Union Troops, Regulars, 2nd Regiment.

North Carolina 10th Regiment. See North Carolina Troops, Confederate, 1st Regiment, Artillery.

North Carolina 36th Regiment. See North Carolina Troops, Confederate, 2nd Regiment, Heavy Artillery.

North Carolina 40th Regiment. See North Carolina Troops, Confederate, 3rd Regiment, Heavy Artillery.

Norton's (Mortier L.) Infantry. See Union Troops, Veteran Reserve Corps, 2nd Battalion, 138th Company.

Norton's (Perez L.) Infantry. See Pennsylvania Troops, 191st Regiment.

Norvill's (Jerome B.) Infantry. See Virginia Troops, Confederate, 49th Regiment.

Nye's (George H.) Infantry. See Maine Troops, 29th Regiment.

Oakman's (Hiram A.) Infantry. See Union Troops, Colored, 30th Regiment.

O'Brien's (Alfred G.) Infantry. See Mississippi Troops, 13th Regiment.

O'Keefe's (Keefe S.) Engineers. See New York Troops, 121st Regiment.

Old's (Charles) Cavalry. See Virginia Troops, Confederate, 4th Regiment.

Oliver's (Samuel C.) Heavy Artillery. See Massachusetts Troops, 2nd Regiment, 3rd Battalion.

O'Malley's (Patrick A.) Heavy Artillery. See New York Troops, 13th Regiment, Battery L.

Oneida Cavalry. See New York Troops.

O'Neill's (Henry) Infantry. See Pennsylvania Troops, 118th Regiment.

Orange Artillery. See Virginia Troops, Confederate.

Orr's (James L.) Infantry. See South Carolina Troops, 1st Regiment, Rifles.

Orr's (Robert L.) Infantry. See Pennsylvania Troops, 61st Regiment.

Orr's (William) Infantry. See Indiana Troops, 20th Regiment.

Osborne's (Edwin A.) Infantry. See North Carolina Troops, Confederate, 4th Regiment.

Otey Artillery. See Virginia Troops, Confederate.

Otis' (Charles G.) Cavalry. See New York Troops, 21st Regiment.

Overmyer's (John B.) Infantry. See Pennsylvania Troops, 11th Regiment.

Owen's (Edward) Artillery. See Washington (La.) Artillery, post, 1st Battery.

Owen's (Thomas H.) Cavalry. See Virginia Troops, Confederate, 13th Battalion.

Owens' (Thomas F.) Infantry. See Virginia Troops, Confederate, 12th Regiment.

Palmer's (Gustavus M.) Infantry. See Union Troops, Veteran Reserve Corps, 3rd Regiment.

Palmer's (Thomas H.) Heavy Artillery. See Maine Troops, 1st Regiment.

Palmetto Artillery, Numbers 2 See South Carolina Troops.

Palmetto Sharpshooters, Infantry. See South Carolina Troops.

Parham's (William A.) Infantry. See Virginia Troops, Confederate, 41st Regiment.