Joseph Medill (April 6, 1823March 16, 1899) was a Canadian-American newspaper editor, publisher, and Republican Party politician. He was co-owner and managing editor of the Chicago Tribune, and he was Mayor of Chicago from after the Great Chicago Fire of 1871 until 1873. Personal life Joseph Medill was born April 6, 1823, in Saint John, New Brunswick, British North America to a Scots-Irish family. He read law in Ohio and was admitted to the Ohio Bar in 1846. Medill married Katherine "Kitty" Patrick on September 2, 1852, and they had three daughters, Katherine, Elinor and Josephine. Publishing career In 1859 Medill purchased the Coshocton Democratic Whig then renamed the paper as the Democratic Whig. In 1853, Medill and Edwin Cowles started the Leader, a newspaper in Cleveland, Ohio. (It was later absorbed by The Plain Dealer.) In 1854, the Tribune'''s part-owner, Captain J. D. Webster, asked Medill to become the paper's managing editor. Medill was further encouraged to come to Chicago by Dr. Charles H. Ray of Galena, Illinois, and editor Horace Greeley of the New York Tribune. In 1855, Medill sold his interest in the Leader to Cowles and bought the Tribune in partnership with Dr. Ray and Alfred Cowles (Edwin's brother). Under Medill's management, the Tribune flourished, becoming one of the largest newspapers in Chicago. Medill served as its managing editor until 1864, when Horace White became editor-in-chief. At that time Medill left day-to-day operations of the Tribune for political activities. But White clashed with Medill over the presidential election of 1872. So, in 1873 Medill bought additional equity from Cowles and from White, becoming majority owner. In 1874, he replaced White as editor-in-chief. Medill served as editor-in-chief until his death. Political activity Under Medill, the Tribune became the leading Republican newspaper in Chicago. Medill was strongly anti-slavery, supporting both the Free-Soil cause and Abolitionism. Medill was a major supporter of Abraham Lincoln in the 1850s. Medill and the Tribune were instrumental in Lincoln's presidential nomination, and were equally supportive of the Union cause during the American Civil War. The Tribune's chief adversary through this period was the Chicago Times, which supported the Democrats. Medill was among Chicago's Protestant elites. His rabid anti-Irish sentiment was published daily in The Chicago Tribune. He regularly dismissed the Irish as lazy and shiftless. “Who does not know that the most depraved, debased, worthless and irredeemable drunkards and sots which curse the