It's Ann Light and here's her birth record:
"England Births and Christenings, 1538-1975," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JSFB-LMQ : accessed 3 March 2016), Ann Light, 27 Aug 1815; citing Whiteparish, Wiltshire, England, reference yr 1813-1854 p 11; FHL microfilm 6,115,382
Here's Ann in the 1851 census. The image actually indicates a birthplace of White parish [sic], Wiltshire.
"England and Wales Census, 1851," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKVV-1BSB : accessed 3 March 2016), Ann Baker in household of William Baker, Hammersmith, Middlesex, England; citing Hammersmith, Middlesex, England, p. 49, from "1851 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives of the UK, Kew, Surrey
I spent some time looking for Frances but sadly she died aged 3 in 1849: http://www.freebmd.org.uk/cgi/information.pl?cite=mTw%2BzCKeOnL01BReRPqOsQ&scan=1