See main article: Wisconsin in the American Civil War. The state of Wisconsin enrolled 91,327 men for service in the Union Army during the American Civil War, 77,375 in the infantry, 8,877 in the cavalry, and 5,075 in the artillery. Some 3,802 of these men were killed in action or mortally wounded, and 8,499 died from other causes; the total mortality was thus 12,301 men.[1]