Follow up info on the children in the 1851 census, source IGI
ANN MILLER
born 7th Mar 1825
bapt 27th Mar 1825 St Leonards, Shoreditch
MARY MILLER
born 10th June 1827
bapt 1st July 1827 St Leonards Shoreditch
JOHN MILLER
born 27th Aug 1829
bapt 27th Sept 1829 St Leonards, Shoreditch
GEORGE MILLER
born 19th Sept 1831
bapt 9th Oct 1831 St Leonards Shoreditich
THOMAS MILLER
born 24th Oct. 1834
bapt 17th Nov 1834 St John the Baptist, Shoreditch
ELIZABETH MILLER
born 2nd Oct 1838
bapt 21st Oct 1838 St John the Baptist, Shoreditch
DAVID MILLER
born 4th Mar 1842
bapt 3rd Apr. 1842 St John the Baptist, Shoreditch
this is the only one stating John David Miller as the father.
Marriage
JOHN DAVID MILLER = ANN TINWORTH
12th May 1823
Christchurch,, Greyfriars, Newgate St, London
Hope this helps
Meliora