The Marysville High School Digital Yearbook collection contains more than 9,000 images of the The Key, for years 1936-2005. There are a few years The Key was not published, 1939, 1941-1944. This collection was created by the Marysville Public Library and funding was made in part by the Union County Chapter of the Ohio Genealogical Society, The Union County Historical Society and The Marysville Public Library. The digital collections on this site are protected by US Copyright Laws. If you have any questions about what laws apply to your use of and image please e-mail us before reproducing any images.