He is survived by his wife, Eva June (Moore) Sheridan, married on July 3, 1965, and children Sharon Flatter, Bart Sheridan, and Matt Sheridan, plus nine grandchildren and four great-grandchildren.
Sheridan, a long-time Realtor, also worked at the DeWine Seed Co. and other agricultural businesses.
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"Wherever I'm at in my career, I owe it to the 4-H. It teaches you economics, because you've got to buy right and feed right to be economically successful,' Sheridan said in 2002 at the 2002 Greene County Fair.
He served in the U.S. Army and Army National Guard.
Sheridan was also involved in community service at the regional and state levels.
“I saw him ply his trade at a banquet/sports memorabilia auction where he helped raise about $20,000 for the Greene County Domestic Violence capital campaign,” Nuhn recalled in the column.
Sheridan was inducted into the Ohio Auctioneers Association and the Ohio Fair Managers Association Halls of Fame.
"Keith loved people and entertained with his volume of life stories. He never met a stranger and was bigger than life to his friends and acquaintances," according to his obituary.
The family will observe a private remembrance on Wednesday and hold a public memorial celebration at a later date. In lieu of flowers, donations may be made in his name to the Clifton United Presbyterian Church or to Hospice of Dayton.
Arrangements are being handled by McColaugh Funeral Home, 826 N. Detroit St., of Xenia.