1861 Census Entry for Plymouth Lodge, 2, Pen Y Yard, Merthyr Tydfil, Glamorgan, , Wales

• Head of household:
  Thomas William 
  Lewis
  (
  John
  ) 1818 - 1900
• Wife:
  Mary Anne 
  John
  (
  Lewis
  ) 1809 - 1887
• Son:
  Lewis Thomas 
  Lewis
  1842 - post 1861
• Daughter:
  Catherine M. 
  Lewis
  1835 - post 1871
• Daughter:
  Margaret J. 
  Lewis
  * 1844
• Son:
  John William 
  Lewis
  * 1849
• Son:
  Sir Thomas William 
  Lewis
  (
  Tidman
  ,
  Willmott
  ) * 1852
• Brother:
  William W. 
  Lewis
  1833 - post 1861