John E. McMahon

Major General John Eugene McMahon (December 8, 1860 – January 28, 1920) was a U.S. Army general. He was the father of World War II general, John E. McMahon Jr.

Early life
John Eugene McMahon was born on December 8, 1860 in Buffalo, New York to Colonel John E. McMahon and Esther Bryan McMahon. He graduated from Fordham University in 1880 with an A.B. degree, and he entered the United States Military Academy and graduated number eleven of seventy-seven in the class of 1886.

Military career
McMahon was commissioned in the Fourth Artillery. From 1891 to 1895, he was an aide to General Alexander McDowell McCook. During the Spanish-American War, he was the Adjutant General, Second Brigade, Provisional Division, from June to July 1898. He was in Puerto Rico in 1898 and 1899, and served during the Philippine-American War. ON December 17, 1917, he was promoted to major general (NA). He commanded the Fifth Infantry Division (AEF) from January 1 to October 18, 1918. He was also commanding general, 41st Infantry Division (AEF) from October 21 to 23, 1918.

He retired as a colonel due to disabilities in 1919. His rank of major general was restored posthumously in 1930.

Personal life
He married Caroline Bache on May 12, 1888 and was a modern languages instructor at the United States Military Academy from 1890-1891. He died in Princeton, New Jersey at the age of fifty-nine on January 28, 1920.