Ronald Mackintosh (1840–70)
Son of of Robert James Mackintosh, Emma Darwin’s cousin, and his American-born wife, Mary Appleton. Died in Paris; buried in Brompton cemetery, London, with his father.
Brompton, London, England, cemetery registers, 1840–2012(Ancestry.com, accessed 19 May 2020)
Census returns of England and Wales 1841 (The National Archives: Public Record Office HO107/684/18/3/2)
B. Wedgwood and Wedgwood 1980.