1861 Census of England & Wales (RG9/1547 f51 p1), Carlaze Cottages, St Austell, Cornwall, Richard Arthur Prout, age 2, son of John Prout, tin miner. Accessed at Findmypast (http://www.findmypast.com)
1871 Census of England & Wales (RG10/2262 f75 p7), Tregonissey Road, St Austell, Cornwall, Richard Prout, age 12, labourer, son of John Prout, labourer. Accessed at Findmypast (http://www.findmypast.com)
1881 Census of England & Wales (RG11/2301 f58 p20), Penhale, St Austell, Cornwall, Richard Prout, age 22, china clay labourer, lodging with Ann Martin, farmer. Accessed at Findmypast (http://www.findmypast.com)
"New York Passenger Lists, 1820-1891," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVS2-84DB : 15 April 2015), Rd Prout, 1882; citing NARA microfilm publication M237 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm .
"Montana, County Marriages, 1865-1950," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:F34Q-VDX : 7 December 2014), Richard Prout and Issabella Hancock, 18 Jun 1887; citing Marriage, Silver Bow, , Montana, county courthouses, Montana; FHL microfilm 1,906,686.
"Montana, County Births and Deaths, 1840-2004," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKNT-CT61 : 20 October 2015), Richard Prout, 17 Apr 1894; citing Death, Silver Bow, Montana, United States, various county recorder offices; FHL microfilm 2,392,784.