1851 (UK) Census Entry for Mansfield Street, St Marylebone, London, , , England

• Head of household:
  Sir Norton Joseph 
  Knatchbull
  (
  Russell
  ) 1808 - 1868
• Wife:
  Mary Watts 
  Russell
  (
  Knatchbull
  ) 1816 - 1874
• Daughter:
  Mary Louisa 
  Knatchbull
  (
  Dundas
  ) 1834 - 1923
• Daughter:
  Eleanor Grace 
  Knatchbull
  (
  O'Reilly
  ) 1835 - 1913
• Son:
  Rev.Sir Hugessen Edward 
  Knatchbull
  1838 - 1871
• Son:
  Sir Wyndham 
  Knatchbull
  (
  Bright
  ) 1844 - 1917
• Daughter:
  Beatrice Joanna 
  Knatchbull
  (
  Towry-Law
  ) 1847 - 1932
• Daughter:
  Amy Josephine 
  Knatchbull
  1846 - 1853
• Daughter:
  Fanny Dorothea 
  Knatchbull
  1845 - post 1871