County: Allegheny Co, Pennsylvania, Northeast USA, USA, World

Below is a list of US Civil War regiment companies that had a large number of soldiers from Allegheny Co. The unit is linked to people who have been identified as part of that company in that unit. Note that this is not a complete list, and that soldiers from this county may have enlisted in other counties.See a larger list of Civil War regiments.

Side	Unit	Company	Title	Description	Count
Union	1st PA Cavalry (15th Reserves)	K
Union	3rd PA Cavalry	G
Union	3rd PA Infantry (3 month)	I			1
Union	4th PA Cavalry	B
Union	4th PA Cavalry	E
Union	4th PA Cavalry	G
Union	5th PA Cavalry	L
Union	5th PA Cavalry	M
Union	5th PA Infantry (3 month)	A
Union	5th PA Infantry (3 month)	B
Union	5th PA Infantry (3 month)	K
Union	7th PA Cavalry	H
Union	7th PA Cavalry	M
Union	7th PA Infantry (3 month)	A
Union	7th PA Infantry (3 month)	B
Union	7th PA Infantry (3 month)	E
Union	7th PA Infantry (3 month)	F
Union	7th PA Infantry (3 month)	K
Union	9th PA Infantry (Reserve)	A
Union	9th PA Infantry (Reserve)	B
Union	9th PA Infantry (Reserve)	C
Union	9th PA Infantry (Reserve)	D
Union	9th PA Infantry (Reserve)	E
Union	9th PA Infantry (Reserve)	G			1
Union	9th PA Infantry (Reserve)	I
Union	9th PA Infantry (Reserve)	K
Union	10th PA Infantry (3 month)	K	Steuben Guards
Union	12th PA Infantry (3 month)	A
Union	12th PA Infantry (3 month)	B
Union	12th PA Infantry (3 month)	C
Union	12th PA Infantry (3 month)	D
Union	12th PA Infantry (3 month)	I			1
Union	12th PA Infantry (3 month)	K
Union	13th PA Cavalry	A
Union	13th PA Cavalry	B
Union	13th PA Cavalry	C
Union	13th PA Cavalry	D			1
Union	13th PA Cavalry	E
Union	13th PA Infantry (3 month)	A
Union	13th PA Infantry (3 month)	C
Union	13th PA Infantry (3 month)	D
Union	13th PA Infantry (3 month)	E
Union	13th PA Infantry (3 month)	F
Union	13th PA Infantry (3 month)	I			1
Union	13th PA Infantry (3 month)	K
Union	14th PA Cavalry	A			1
Union	14th PA Cavalry	B
Union	14th PA Cavalry	C
Union	14th PA Cavalry	D			1
Union	14th PA Cavalry	E
Union	14th PA Cavalry	F
Union	14th PA Cavalry	G
Union	14th PA Infantry (3 month)	K
Union	15th PA Cavalry	B
Union	15th PA Cavalry	C
Union	15th PA Cavalry	D
Union	15th PA Cavalry	E
Union	15th PA Cavalry	F
Union	15th PA Cavalry	G
Union	15th PA Cavalry	H
Union	15th PA Cavalry	M
Union	18th PA Cavalry	A
Union	18th PA Cavalry	C
Union	18th PA Cavalry	F			1
Union	18th PA Cavalry	G
Union	18th PA Cavalry	H
Union	18th PA Cavalry	I
Union	22nd PA Cavalry	G	Lafayette Cavalry
Union	28th PA Infantry	F
Union	28th PA Infantry	G
Union	28th PA Infantry	H
Union	28th PA Infantry	L
Union	46th PA Infantry	B
Union	46th PA Infantry	F
Union	49th PA Infantry	K
Union	57th PA Infantry	C
Union	57th PA Infantry	E
Union	61st PA Infantry	B
Union	61st PA Infantry	C
Union	61st PA Infantry	E			2
Union	61st PA Infantry	F
Union	61st PA Infantry	H
Union	61st PA Infantry	I
Union	61st PA Infantry	K
Union	62nd PA Infantry	A
Union	62nd PA Infantry	B
Union	62nd PA Infantry	F
Union	62nd PA Infantry	G
Union	62nd PA Infantry	H
Union	62nd PA Infantry	K
Union	62nd PA Infantry	L
Union	63rd PA Infantry	A	Kelly Guards
Union	63rd PA Infantry	B	Collier Guards
Union	63rd PA Infantry	C	Hanna Guards
Union	63rd PA Infantry	D	Pittsburgh Fire Zouaves
Union	63rd PA Infantry	E	Etna Infantry
Union	63rd PA Infantry	G	Morgan Guards
Union	63rd PA Infantry	H	McCullough guards
Union	63rd PA Infantry	I	McKeesport Rifle Grays
Union	63rd PA Infantry	K	Hays Guards		1
Union	67th PA Infantry	I
Union	74th PA Infantry	B
Union	74th PA Infantry	I
Union	74th PA Infantry	K
Union	76th PA Infantry	K
Union	77th PA Infantry	B
Union	77th PA Infantry	D
Union	77th PA Infantry	E
Union	77th PA Infantry	F
Union	78th PA Infantry	F
Union	78th PA Infantry	H
Union	78th PA Infantry	I
Union	82nd PA Infantry	B
Union	83rd PA Infantry	G
Union	83rd PA Infantry	H
Union	87th PA Infantry	F
Union	87th PA Infantry	G
Union	101st PA Infantry	A
Union	101st PA Infantry	E
Union	101st PA Infantry	G
Union	101st PA Infantry	I
Union	102nd PA Infantry	A
Union	102nd PA Infantry	B
Union	102nd PA Infantry	C
Union	102nd PA Infantry	D
Union	102nd PA Infantry	E
Union	102nd PA Infantry	F
Union	102nd PA Infantry	G
Union	102nd PA Infantry	H
Union	102nd PA Infantry	I
Union	102nd PA Infantry	K
Union	102nd PA Infantry	L
Union	102nd PA Infantry	M
Union	103rd PA Infantry	C	1st
Union	103rd PA Infantry	F	1st
Union	103rd PA Infantry	I
Union	103rd PA Infantry	K
Union	104th PA Infantry	K	2nd	Company added in 1865
Union	105th PA Infantry	D
Union	109th PA Infantry	I
Union	116th PA Infantry	H
Union	116th PA Infantry	I
Union	116th PA Infantry	K
Union	123rd PA Infantry	A
Union	123rd PA Infantry	B
Union	123rd PA Infantry	C
Union	123rd PA Infantry	D
Union	123rd PA Infantry	E
Union	123rd PA Infantry	F
Union	123rd PA Infantry	G
Union	123rd PA Infantry	H
Union	123rd PA Infantry	I
Union	123rd PA Infantry	K
Union	136th PA Infantry	E
Union	136th PA Infantry	F
Union	136th PA Infantry	G
Union	136th PA Infantry	H			1
Union	139th PA Infantry	D			1
Union	139th PA Infantry	E
Union	139th PA Infantry	F
Union	139th PA Infantry	G
Union	139th PA Infantry	H
Union	139th PA Infantry	I
Union	139th PA Infantry	K
Union	147th PA Infantry	A
Union	149th PA Infantry	D
Union	155th PA Infantry	A
Union	155th PA Infantry	B
Union	155th PA Infantry	C
Union	155th PA Infantry	D
Union	155th PA Infantry	E
Union	155th PA Infantry	F
Union	155th PA Infantry	I
Union	155th PA Infantry	K