He was an Honorary Fellow of the Royal College of Surgeons, a Fellow of the Society of Apothecaries, surgeon to the 1st battalion of the Shropshire Rifle Volunteers, and in actual practice as a surgeon. He authored Observations in Surgery and Pathology and in 1834 was awarded the Fothergillian Gold Medal of the Medical Society of London. In writing An Account of Two Cases of Intestinal Obstruction, in which the operation for the formation of an artificial anus was performed; one in the ascending, the other in the descending colon he claimed to have been the first surgeon in Great Britain who successfully opened the ascending colon for intestinal obstruction.
He was an Alderman, Mayor of Shrewsbury for 1861–62, a Deputy Lieutenant and J.P. for Merionethshire and a J.P. for Shrewsbury borough. At the 1865 general election Clement was elected Member of Parliament for Shrewsbury. He held the seat until his death aged 68 in 1870. He was buried at the General Cemetery in Longden Road, Shrewsbury.
Clement married Tryphosa Freme, daughter of W. P. Freme of Wepre Hall, Flintshire in 1845.
- Debretts House of Commons and the Judicial Bench 1870
- Royal Society of Medicine Press 1852
- The Times, 30 August 1870 p3
- Leigh Rayment's Historical List of MPs – Constituencies beginning with "S" (part 3)
- Francis, Peter (2006). A Matter of Life and Death, The Secrets of Shrewsbury Cemetery. Logaston Press. pp. 14–16. ISBN 1-904396-58-5.
- Hansard 1803–2005: contributions in Parliament by William Clement
|Parliament of the United Kingdom|
| Member of Parliament for Shrewsbury
With: George Tomline