Charles Thomas Simpson Kevern was appointed assistant surgeon to the Haslar Hospital in 1841
He married Harriet Murray 26 August 1852 at Friern Barnet, London 
Charles Kevern was employed as Surgeon Superintendent on the convict ship Dudbrook to Fremantle in 1853.
He kept a Medical Journal from 23 October 1852 to 24 February 1853.
Surgeon's General Remarks:
The Dudbrook, having been fitted at Deptford, for the transport of male convicts and guard of pensioners with their families to Western Australia, embarked her crew and a portion of the troops at that port and proceeded on 29 October to Woolwich, there received on board fifty prisoners from the convict hulks and family of the Religious Instructor, and calling off Gravesend on 2 November 1852 embarked the remainder of the Guard with the whole of their families consisting of 24 married women, 2 adult females, 43 young children of whom 7 were infants. With these the ship proceeded to Portsmouth anchored at Spithead on the 5 November 1852 when having received from the prisons at Portsmouth 59, Portland 65, and Parkhurst 1 convicts, she sailed on the 9 November 1852 for Plymouth, at which place provisions , water were completed and 55 convicts received on 15 November 1852 from the prison at Dartmoor, to the hospital of which one convict being unfit for the voyage from sickness was sent on the same day. The number of persons on board at the time of leaving England were as follows: Surgeon Superintendent, Religious Instructor, Master and Crew, 36; Guard, 30; convicts, 229; families of religious instructor and guard, being women 27, children 45. Total of 367
He was appointed to the Monarch at Sheerness in 1854 .
British Baltic Medal
A British Baltic Medal was offered for online auction some time ago, the details as follow....... 1854-55 (Silver, Queen Victoria) awarded to Deputy Inspector General of Hospitals and Fleets Charles T.S. Kevern, H.M.S. Monarch. The medal is engraved: Surgeon C.T.S. Kevern, H.M.S. Monarch. The award comes with official ribbon and is in Extremely Fine condition. Kevern became Deputy Inspector General of Hospitals and Fleets in 1871. The British Baltic Medal, 1854-55, was awarded during the Crimean War to those participating in Royal Naval operations against Russia in the Baltic Sea.
Charles Thomas Simpson Kevern and Harriett Murray were located in the 1861 census in Leonard St, Sculcoates, Yorkshire, England. Chas Thos Simpson Kevern, 46, staff surgeon RD, born Stoke Damerel, Devon, wife Harriet Kevern, 37, born Demerara, British Guiana; children Harry Chas Standert Kevern, 7, Emily Charlotte Kevern, 6, Murray Cowell Kevern, 2, Harriet Mary Kevern, 5 Months, Betsey Kevern, 86, mother, and 4 servants.
Charles T.S. Kevern, to Devonport Stockyard vice Dr. Frazer retired.
In 1871 Charles T.S. Kevern, 56 resided at Bristol with his wife Fanny Maria age 30 and his son Harry Charles age 17 a medical student and son Murray Cowell Kevern age 12, daughter Ellen Kevern age 9 and son Graham age 2. He gave his birth place Stoke Damerel, Devon.
Deputy Inspector-General Hospitals
He was the list of Medical Officers on the retired list who were promoted to the honorary rank of Deputy Inspector General of Hospitals and Fleets in her Majesty's Fleet.
Charles Thomas Simpson Kevern of 2 Fosseway Clifton, Bristol, retired Inspector General of Hospitals Royal Navy died 3 June 1893. Probate Bristol 3 July to Fanny Maria Kevern widow. 
2). National Archives -Reference: ADM 101/20/2 Description: The medical journal of HM convict ship Dudbrook for 23 October 1852 to 24 February 1853 by Mr Kevern, Surgeon and Superintendent, during which time the said ship was employed in conveying male convicts, pensioners and their families, from England to Western Australia
3). National Archives - Copy of the sick book of HM hired convict ship Dudbrook for 23 October 1852... Reference: ADM 101/20/2/3