The House of Representatives first met in Chillicothe on March 3, 1803, under the later superseded state constitution of that year.

The duties of the Speaker include preserving order and decorum at all times, recognizing visitors in the galleries, controlling and providing security for the Hall, appointing members to perform the duties of the Speaker for a temporary period of time, naming committees and subcommittees and appointing their chairs and members, overseeing the performance of House employees, and signing bills, acts, resolutions, and more.

The Clerk is the custodian of legislative documents within the House.

Other duties of the Sergeant-at-arms include controlling admission to the building, serving subpoenas and warrants issued by the House, and bringing any members found to be absent without leave to the House.

[3] The Speaker of the House is in charge of naming all committees and subcommittees.