Franz Sumner was born in 1836.
In 1860 there was a 22-year-old day laborer named Frank Summer, born in Germany, working in Winona, Minnesota.
Franz was 27 years old and possibly living in Warren, Macomb County, Michigan, when he became a substitute for Gottlieb Raume who had been drafted on February 17, 1863, from Warren for 9 months. He subsequently enlisted in Unassigned and was sent to the Regiment on March 6, 1863.
There is no further record.