There was a Charles Sumner, aged 6, living with Mary in 1881. George and Mary's gravestone at Fleetwood Cemetery refers to Charlie Howard, adopted son, who died 11 Sep 1884, aged 10. Charles Sumner and Charles Howard are likely the same person.
Sources
Birth Registration: "England & Wales General Register Office" GRO Online Indexes - Birth (accessed 4 July 2023) Leadbeater, Mary (Mother's maiden name: Ball). GRO Reference: 1854 Jul-Aug-Sep in Fylde Volume 08E Page 501.
1861 Census: "England and Wales Census, 1861" citing PRO RG 9, The National Archives, Kew, Surrey. FamilySearch Record: M7TY-QVF (accessed 4 July 2023) Mary Leadbetter (6) daughter, Scholar, in household of William Leadbetter (23) in Thornton in Fylde registration district in Lancashire, England. Born in Fleetwood, Lancashire.
Marriage: "England Marriages, 1538–1973" FamilySearch Record: NXDX-5W8 (accessed 4 July 2023) Mary Leadbetter (20) marriage to George Sumner (20) on 9 May 1875 in Fleetwood, Lancashire, England, United Kingdom.
1881 Census: "England and Wales Census, 1881" citing p. 25, Piece/Folio 4255/108, The National Archives, Kew, Surrey; FHL microfilm 101,775,199 FamilySearch Record: Q27R-MDKK (accessed 23 August 2023) Mary Sumner (26), married wife head, Fishermans Wife, in household of Mary Sumner (26) in Thornton in Fylde registration district in Lancashire, England. Born in Fleetwood, Lancashire, England.
1891 Census: "England and Wales Census, 1891" citing PRO RG 12, Lancashire county, subdistrict, The National Archives of the UK, Kew, Surrey. FamilySearch Record: QY6R-9ZM (accessed 4 July 2023) Mary Sumer (36), wife, in household of George Sumer (36) in Thornton in Fylde registration district in Lancashire, England. Born in Lancashire, England.
Memorial: Find a Grave (has image) Find A Grave: Memorial #167815252 (accessed 4 July 2023) Memorial page for Mary Leadbetter Sumner (1855-Feb 1904), citing Fleetwood Cemetery, Fleetwood, Wyre Borough, Lancashire, England; Maintained by: Find a Grave.
Probate: "England & Wales, National Probate Calendar (Index of Wills and Administrations), 1858-1995" Principal Probate Registry. Calendar of the Grants of Probate and Letters of Administration made in the Probate Registries of the High Court of Justice in England Ancestry ca Record 1904 #4773593 (accessed 4 July 2023) Mary Sumner probate on 17 Feb 1904 in Lancashire, England. Died 9 Feb 1904 in Lancashire, England.
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