Horace was born at Lifton in 1877 to John and Emma (nee Charley) Kittow being one of five children. His father was a well known auctioneer running his business from Launceston. On leaving school Horace joined his fathers business as an auctioneer.
During the First World War he worked for the Board of Agriculture detailing crop returns for over 40 parishes in Devon and Cornwall with the responsibility for the weekly purchase and supply of cattle for the army in east Cornwall. He was also the surveyor for the Devon War Agricultural Committee. With these responsibilities he asked for exemption from military service in 1917 being granted a postponement. In the end he was never called upon.
He followed his father on being elected in November 1921 to the town council serving as mayor on two occasions 1926-27 and again in 1927-28. In 1932 he was made an Alderman. He was a member of the Housing and Town planning, Markets, Highways, Public Health, Fire Brigade, Rating and Housing committees. He married Gladys Winnifred Palmer at Launceston in 1920 and they set up home at Lawrence house, Castle street, Launceston. Gladys became a JP in 1942. He was also a member of the Dunheved lodge and the secretary for the Launceston Agricultural association. He was associated with the Conservative club in Launceston.
Horace died in 1958. His wife, Gladys, gave Lawrence house and its furnishings and fixings to the National Trust with also an endowment. Lawrence house is now leased to the town council and is used for the town museum.