William Dillworth (or Dilworth) Crewdson (1799–1878)
Banker and magistrate. Resided at Helme Lodge, Kendal, Westmorland, in 1866.
Census returns of England and Wales 1861 (The National Archives: Public Record Office RG9/2866/70/1)
England & Wales, national probate calendar (index of wills and administrations), 1858–1966, 1973–95 (Ancestry.com, accessed 15 August 2019)
England & Wales, Quaker birth, marriage, and death registers, 1578–1837 (Ancestry.com, accessed 15 August 2019)
Post Office directory of Northumberland