Charles Ritchie Kinnear was born in 1817 at Angus, Scotland.
He was appointed Assistant Surgeon on H.M.S. Melville in the East Indies 1 February 1840. H.M.S. Melville, 1768 tons, was built at Bombay in 1817. She was the Flag-Ship in the East Indies. Hon. R.S. Dundas was Captain and William David Puget Commander. John Campbell (b) was Surgeon with five assistant surgeons serving under him.
Charles Kinnear was appointed Surgeon in the Royal Navy 31 January 1842.
He was employed as Surgeon Superintendent on the convict ship Cadet to Van Diemen's Land in 1848. The Cadet departed the Downs 9th September 1847 with government stores and 163 female convicts and 30 children. .
He returned to England on the Rattler in January 1848.
Deputy Inspector of Hospitals
In 1856 Charles Ritchie Kinnear M.D. was appointed Deputy Inspector of Hospitals and Fleets 
On 8 July 1861 he was appointed Deputy Inspector-General of Hospitals at Chatham 8 July 1861.
He is listed in the 1865 Medical Register. Deputy Inspector of Hospitals. Qualifications - Lic. Royal College Surgeon, Edinburgh 1837.
He died 21 February 1869 at Great Yarmouth, Norfolk, England.