Henry Casson  Henry Casson (December 13, 1843September 25, 1912) was the Secretary of State for Wisconsin from 1895 until 1899. In 1899, at the start of the 56th United States Congress, he was selected by the Republican majority to serve as Sergeant at Arms of the United States House of Representatives. He served from December 4, 1899 until April 4, 1911 when Democrats took control of the chamber at the start of the 62nd United States Congress.