William McKinley Monument Cards featuring the William McKinley Monument: Vintage postcard depicting the McKinley Monument in Canton, Ohio. Vintage postcard (c. 1909) depicting the unveiling of the McKinley Monument in Canton, Ohio. Vintage postcard (c. 1923) depicting the McKinley Memorial, showing the lagoon, in Canton, Ohio. Vintage linen postcard depicting the McKinley Tomb and Memorial, Near Massillon, Dover and New Philadelphia, Ohio.