Isaac Charlton (1813/14–92)
Learned society employee. House steward of the Geological Society of London, 1841–91.
Census returns of England and Wales 1851 (The National Archives: Public Record Office HO107/1511/200/5), 1881 (RG11/127/91/10)
England & Wales, national probate calendar (index of wills and administrations), 1858–1966 (Ancestry.com, accessed 15 April 2016)
Woodward 1907