Hello Hiliary,
1861 Eng Census Middlese, England.
RG9 Piece 784 Folio 39 page 15
This maybe Elizabeth J Whitmill family:
Head: George Whitmill age 24 b. 1837 Hanone, Middlesex, England.
Wife: Catherine Whitmill age 29 b. 1832 Little Stanmore, Middlesex England.
Children:
Elizabeth J Whitmill age 2 born Little Stanmore, Middlesex, England
George J Whitmill age 8 months Little Stanmore, Middlesex, England.
This is Elizabeth Jane Whitmill birth information
Name: Elizabeth Jane Whitmill
Year of Registration: 1859
Quarter of Registration: Jan-Feb-Mar
District: Hendon
County: Greater London, Middlesex
Volume: 3a
Page: 87
Hope it helps, Linda