Of 388 men who were wounded while serving in the 3rd Michigan, 335, or more than 86% of the total wounded, suffered gunshot wounds. Very few were wounded by cannon fire and there were no reports of men being wounded by bayonet although hand-to-hand combat did happen. Company I had the highest number of men wounded (48), while Company A had the lowest number (28).
- Fair Oaks, May 31, 1862 - 92
- Groveton (Second Bull Run), August 31, 1862 - 100
- Chancellorsville, May 5, 1863 - 41
- Gettysburg, July 1-3, 1863 - 22
- Mine Run, November 30, 1863 - 9
- Wilderness , May 6, 1864 - 62
- Spotsylvania, May 12, 1864 - 24
In the week of May 5-12, 1864, alone, the Old 3rd Michigan suffered 88 wounded (or nearly 23% of the total wounded).
- First man wounded was Henry Kampe of Company C, at Germantown, Virginia, on July 17, 1861, the day before the Regiment was engaged at Blackburn’s Ford, near Bull Run.
- Last man wounded in the regiment was Philo Wier of Company G on June 10, 1864; he subsequently died of his wounds on July 1
- Last man wounded in wartime was George D. Hill, while serving as a member of the 1st Michigan cavalry, on April 9, 1865