John Henry Forrest (1816–1901)
Police officer. Entered the army in 1833; lieutenant, 1835; captain, 1839; left the army in 1847. Chief constable of Hampshire, 1856–91.
BMD (Marriage, Death index)
Census returns of England and Wales 1871 (The National Archives: Public Record Office RG10/1209/33/8)
Hampshire Constabulary Historical Society (hampshireconstabularyhistory.org.uk, accessed 6 July 2015)
Hart’s army list 1833–48
London, England, births and baptisms, 1813–1906 (Ancestry.com, accessed 1 July 2015)