Of the 1,277 reported birthplaces of the men of the Old 3rd Michigan Infantry 207 were born in Europe, 72 in Canada and 998 in the United States.
More than 21% of Old 3rd Michigan men were born outside of the United States. From Europe the highest number came from present-day Germany (104), followed by the United Kingdom (82).
In the United States, the overwhelming number of men were born were born in New York State (489), accounting for nearly 39% of the total reported. Next was Michigan with 225 or about 18% of reported birthplaces; of that number 21 men were born in Kent County (the point of origin for the regiment). Third highest was Ohio (128).
When taken together, New York, Ohio and Michigan accounted for more than two-thirds (66.6%) of all reported birthplaces.