Arley is an unincorporated community in Clay County, in the U.S. state of Missouri.
History A post office called Arley was established in 1893, and remained in operation until 1907. The community was named after Arley Weber, a settler's son.
The modern post office is a converted railroad tollbooth, originally constructed in 1905, which ceased operation due to the restrictions of the Wartime Prohibition Act.Daily Bugle, edition of 12 June 1966. JJ Jameson (editor)
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