Its companies were recruited in the counties of Bradford, Hillsborough, Alachua, Manatee, and Marion.

During the war it served in the Florida Brigade of the Army of Tennessee.

The nucleus of Company K of the regiment was made up of men who served as a militia Coast Guard company before the war.

One member of the unit described the diverse nature of the company by saying "it is composed of Yankees, Crackers, Conchs, Englishmen, Spaniards, Germans, Frenchmen, Italians, Poles, Irishmen, Swedes, Chinese, Portuguese, Brazilians...also Scotsmen, Welshmen, and some Half Indians.

"[1] The 7th took an active part in the arduous campaigns of the army from Chickamauga to Nashville, then fought its last battle at Bentonville.