Lewis Zahm, sometimes spelled Louis Zahm, was a Union Army colonel during the American Civil War.
Henry Joseph Lewis Zahm was born on August 7, 1820, in Zweibrücken, Bavaria.[1] He moved to New York in 1836 and then on to Ohio.[1]
Zahm organized the 3rd Ohio Cavalry and was appointed colonel on September 27, 1861.[1] He served as a brigade commander from September 9, 1862, to October 24, 1862, in the Army of the Ohio and from November 5, 1862, to January 5, 1863, in the Army of the Cumberland.[1] He resigned from the volunteers on January 5, 1863.[1]
On March 15, 1867, President Andrew Johnson nominated Zahm for appointment to the grade of brevet brigadier general of volunteers, to rank from March 13, 1865, and the United States Senate confirmed the appointment on March 26, 1867.[2]
After his service in the Civil War Zahm was an assessor for the Internal Revenue Service.[1] He moved to Kansas in 1874 and became a stockman.[1] Lewis Zahm died on December 10, 1890, in Seneca, Kansas.[1] He is buried in Seneca Cemetery, Seneca Kansas.[1]