Marcus M. Spiegel (December 8, 1829 – May 4, 1864) was one of the highest ranking Jewish officers in the U.S. Army during the American Civil War.

[2] While peddling in Ohio he met Caroline Hamlin, daughter of a prominent Quaker.

[5]In late 1862 Spiegel was transferred to the recently formed 120th Ohio Volunteer infantry, and was promoted to lieutenant colonel.

Spiegel survived the incident and was sent home to recuperate, and in March 1864 he returned to front line duties.

[6] Several weeks after his return, Confederate forces succeeded in ambushing the Union transport ship City Belle, at a location near Snaggy Point on the Red River, during the Red River Campaign in Louisiana.