Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,432 pages of information and 211,665 images on early companies, their products and the people who designed and built them.
Walter Thomas Clifford Earp (1879-1921)
1879. Born in Lambeth, Surrey - the son of Arthur Clifford Earp, a sculptor, (1855-1886) and Emily Wood.
He attended Ardingly school.
He had a brother, also Arthur Clifford Earp, born Jan 1, 1883, who was also a racing motorist, and on occasion acted as his riding mechanic.
1905 July. "At Brighton, England, July 25, a 4-day auto. meet was commenced which brought forth one new world's record, 35 4-5 seconds for a standing kilometer. The performance was made by a 100 H.P. Darracq. Clifford Earp, in a 90 H.P. Napier, did a flying kilo- meter in 23 seconds, a new mark for Great Britain. . ."
1906 February. Wins at Daytona.
1907 W. T. Clifford Earp, driving a 60-horse-power six-cylinder Thames car, made four world's records at Brooklands yesterday. He covered 50 miles in 39min. 19.29sec. His record for one hour was 76 miles 453 yards and for two hours 151 miles 146.8 yards. 
In 1907 he was living at 82, Mill Hill Road, Acton. (Kelly's 1907).
In 1913 he was living at 1, Laurel Road, Barnes, Surrey. (Kelly's 1913).
1919-1920: W.T. Clifford Earp applied for and received a number of patents for improvements to motor car tyres.
He died in Camberwell in 1921, aged 41.