US Congressman, Civic Leader, Humanitarian, and Entrepreneur. He was a United States Representative from the State of South Carolina. He was born one of ten children as Gabriel Heyward Mahon Jr. to Gabriel Heyward Mahon Sr. (1863-1933), a successful merchant and Mayor of Greenville, South Carolina, and his wife Mary Brown Mahon (1861-1948), in Williamston, South Carolina, on November 11, 1889. His siblings included Ethel Mahon (1887-1979, last name later Morgan), Marie Mahon (1892-1992), Christine Mahon (1894-1986, last name later Sullivan), Dorothy Mahon (1896-1984, last name later Morrison), Brown Mahon (1898-1988), Margaret Mahon (1903-1990), Harold Mahon (1903-1982), Elizabeth Mahon (1903-2001, last name later Bryan), and Thomas Dewey "Jack" Mahon (1905-1971). He was educated locally in the local common public schools and then attended and graduated from the Greenville High School in Greenville, South Carolina, in 1904. He later attended The Citadel in Charleston, South Carolina, for two years as a member of the Class of 1909 before withdrawing to begin a business career. He began first as a clerk in his father's retail store from 1900 to 1907, and as a traveling salesman from 1907 to 1911, before starting his own retail clothing business Mahon Tindel Company in Greenville, South Carolina, in 1911, and later as Vice President and Secretary of J.O. Jones Company, a clothing firm in Greenville, South Carolina. During this time, he also joined the National Guard just before the outbreak of the First World War. During World War I, he decided to serve his country and joined the United States Army with the rank of Captain and later with the rank of Major in the 1st Battalion, 118th Infantry Regiment, 30th Division, American Expeditionary Forces. He was seriously wounded during military action in the war when a piece of shrapnel struck his head at Harticurt, France, near the Somme River. He was told he would never work again and nobody thought he would survive but after 19 months and 11 operations, he was through with hospitals. For his service to his country during World War I, he was awarded the Purple Heart and the Silver Star. Following his military service, he was an active member of the American Legion and served as South Carolina's State Commander. He was also a trustee of the Greenville Woman's College in Greenville, South Carolina, from 1921 to 1936. He then decided to run for a seat in the United States Congress and was elected to represent the Seventy-Fourth Congress to fill the vacancy caused by the United States Representative John Jackson McSwain (1875-1936), on August 6, 1936. He was elected to serve the Seventy-Fifth Congress also on August 3, 1936. A Member of the Democratic Party, he then served South Carolina's 4th District (Seventy-Fifth Congress), in the United States House of Representatives serving from November 3, 1936, to January 3, 1939. He was an unsuccessful Candidate for renomination to represent the Seventy-Sixth Congress in 1938. Following his time in the United States Congress, he retired from politics. After leaving the United States Congress, he resumed his former business pursuits in Greenville, South Carolina. He was succeeded in office by the incoming United States House of Representative Joseph Raleigh Bryson (1893-1953), on January 3, 1959. In total, he was elected to finish out the term caused by the death of United States Representative John Jackson McSwain (1875-1936), on August 3, 1936, and on the same day he was elected to his own full term, but lost renomination in 1938. During World War II, he served on South Carolina's Council of Defense. He was also a member of several clubs and organizations and served as a District Governor of Rotary International, as a trustee of Furman University in Greenville, South Carolina, and as a trustee of the Golden Gate Baptist Seminary in Mill Valley, California. He also held interest in the business of Hart, Schaffner, and Marx, which he sold in 1959, but continued as Chairman of the Board. He retired from his business pursuits and other endeavors shortly thereafter. He passed away following a battle with cancer at the Greenville General Hospital in Greenville, South Carolina, on June 11, 1962, at the age of 72. Following his death, his funeral services were held at the First Baptist Church, in Greenville, South Carolina, and through the Mackey Mortuary in Greenville, South Carolina, and he was buried in a mausoleum crypt in Woodlawn Memorial Park in Greenville, South Carolina. He was married to Elizabeth Wicker Mahon (1898-1964) in Washington, D.C. on November 15, 1913. The couple had two children together, Elizabeth Wicker Mahon (1914-2001), and Mary Brown Mahon (1926-1990, last name later Ellis). His wife Elizabeth passed away on June 15, 1964, at the age of 66, and she is also buried in a mausoleum crypt in Woodlawn Memorial Park in Greenville, South Carolina.