Frederick Harold Dupré (1879–1953)
Analytical and consulting chemist. Twin son of August Dupré.
BMD (Birth index)
Census returns of England and Wales 1881 (The National Archives: Public Record Office RG11/24/58/29), 1911 (RG14/34)
England & Wales, national probate calendar (index of wills and administrations), 1858–1995 (Ancestry.com, accessed 2 November 2020)