Allen Williamson (fl. c. 1970) is a former Oklahoma politician who served in the Oklahoma House of Representatives from 1966 to 1974. He is related to James Allen Williamson, an Oklahoma State Senator elected in 1996.A bridge near the town of Ripley in Payne County, Oklahoma was named in recognition of his service. Dedicated on December 31, 1974, this bridge across the Cimarron River includes a monument and memorial plaque provided by the Cimarron Valley Historical Society.
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