A city and the county-seat of Marion county, Ohio, U.S.A., 44 m. N. by W. of Columbus. Pop. (1900), 11,862, of whom 782 were foreign-born and 112 were negroes. Marion is served by the Pennsylvania, the Erie, the Cleveland, Cincinnati, Chicago & St Louis, and the Hocking Valley railways, and by interurban electric railway to Columbus. It is the trade centre of a rich farming district. Limestone is abundant, and the city has various manufactures, including lime, foundry and machine-shop products, agricultural implements, planing-mill products, engines, steam shovels, dredges, pianos and silks. In 1905 the value of factory products was $3,227,712, being 33.1% greater than in 5900. Marion was laid out in 1821, and was chartered as a city in 1890.