In all the records before her marriage Frances is known as Frances and then when she marries she is known as Fanny afterwards - I am assumung this is correct.
1839 Frances DUCKRING registered 1839 (April to June) at Edmonton. GRO Index gives mother’s maiden name as Damien Vol 03, Page 86
1839 Ancestry fm original register: P146, Baptisms Parish of Edmonton in Weld Chapel Southgate, Middlesex 1839, No. 1163 May 19, Frances, Joseph & Charlotte Duckring, Clappers Green, Groom at Mr Taylor’s, (born 2 April)
1870
FamilySearch.org 22.3.18 records James Spooner age 29, father John Spooner & Fanny Duckring age 30, father Joseph Duckring married 7.8.1870 Crockenhill, Kent
1871 Census. Spearings Cottage, St Mary Cray, Kent. James Spooner, Head, married age 31, an Agricultural Labourer, born Crockenhill, Kent. Fanny Spooner, wife age 31, born London
1881 Census, Norfolk Cottages, Slade Green, Crayford, Kent. James Spooner, Head, married, age 50, an Agricultural Labourer, born Kent. Fanny Spooner, wife, age 40, born Kent.
1841 England & Wales Birth Reg. Index records James Spooner, birth quarter 1, mother’s maiden name Dudlow, reg. Dartford, Kent, Vol 5, page 103
1841 St Martin Church, Eynsford, Kent, Parish register records the baptism 1841 July 4, James (born Feb 7) son of John & Ann Spooner, residing Crockenhil, a labourer
1841 Census Eynsford, Crockenhill, Kent. John Spooner, age 30, a agricultural labourer. Ann Spooner age 30, Eliza Spooner, age 10, William Spooner age 8, Abraham Spooner age 7, Hannah Spooner age 5, Ruth Spooner age 3 and James Spooner age 4 months all born Kent.
1851 Census, Parish Cottage, Eynsford, Crockenhill, Kent. John Spooner, head, married, age 43, an Agricultural Labourer, born Eynsford, Kent. Ann Spooner, wife, age 39, born Darenth, Kent. William Spooner, son, unmarried, age 17, an Agricultural Labourer, born Eynsford. Abraham Spooner, son age 15, an Agricultural Labourer, born Eynsford. Hannah Spooner, daughter age 13, born Eynsford, Ruth Spooner, daughter, age 12, born Eynsford, James Sponner, son age 10, born Eynesford. John Spooner, son age 8, born Eynsford. Thomas Spooner, son, age 7, born Eynsford. Ann Spooner, daughter, age 2, born Eynsford and Isaac Spooner, age 5 months born Eynsford.
1861 Census, Brokenhill, St Mary Cray, Kent. John Spooner, Head, married, age 51, Farm Labourer born Eynsford. Ann Spooner, wife, age 50, a Labourers Wife, born Darenth. Ruth Spooner, daughter, unmarried age 22, a Labourer in Papermill, born Eynsford. James Spooner, son unmarried, age 20, a Farm Labourer born Eynsford. John Spooner, son, unmarried, age 18, a Labourer in Papermill, born Eynsford. Thomas Spooner, son age 16, a Labourer in Papermill, born Eynsford. Ann Spooner, daughter age 13 a Scholar, born Eynsford. Alfred Spooner, son, age 7, a Scholar , born Eynsford and Albert Spooner, son, age 5, a Scholar, born Eynsford.
1870
FamilySearch.org 22.3.18 records James Spooner age 29, father John Spooner & Fanny Duckring age 30, father Joseph Duckring married 7.8.1870 Crockenhill, Kent
1870 England & Wales Marriage Index records James Spooner married 3rd quarter 1870 to Fanny Ducking, Dartford, Kent. Vol 2A, Page 501
1871 Census. Spearings Cottage, St Mary Cray, Kent. James Spooner, Head, married age 31, an Agricultural Labourer, born Crockenhill, Kent. Fanny Spooner, wife age 31, born London
1881 Census, Norfolk Cottages, Slade Green, Crayford, Kent. James Spooner, Head, married, age 50, an Agricultural Labourer, born Kent. Fanny Spooner, wife, age 40, born Kent.
?? 1891 Census, Markets Hut, Plumstead Common, Plumstead, London, Kent. James Sponner, Head single, age 48, a Agricultural Labour Born Crockney Hill, Stone, Kent and Eliza Dakin, single, age 40, born Tower Hill, London. Is this right?