John William Crowdus (July 6, 1828 – September 11, 1895) was an American physician and politician who served as the 19th mayor of Dallas from 1881 to 1883.
He appears on a list of Confederate soldiers in hospital at Elm Springs, Arkansas paroled by G. W. Kelly, Major 4th Cavalry Regt., Missouri on November 2, 1862.
[5] After the Civil War, Crowdus and family moved to Dallas, Texas where established a medical practice and became involved in civic affairs.
Their daughter, Elizabeth, married Thomas Marsalis, a land developer and founder of Oak Cliff.
[6] He died September 11, 1895, in Dallas from blood poisoning as a result of a leg injury.