Posting due to names
There is this marriage
Wheeler/Carr marriage but her father John TURNER, farmer

and Joseph's occupation Victualler, one of the witness signatures looks as if it could be Elizabeth Mullett but difficult to make out

Sarah Wheeler f/a widow
Marriage 26 Jun 1850 St Martin-In-The-Fields, London, Westminster
Spouse: Joseph Carr, father Joseph, farmer
Robert Wheeler to
Sarah Mullett married 2 Oct 1836 Wycombe Buckinghamshire
https://www.familysearch.org/ark:/61903/1:1:NJGL-MQFMight be the Amelia from 1841 census
Amelia Mullett age 55, single, lacemaker, Lodger
1851
https://www.familysearch.org/ark:/61903/1:1:SGVR-6Z6Edit to add here's Amelia 1861 and death
Piece: 856 Folio: 87 Page Number: 23
Mary Tenner 49
Amelia Mullett 67 single Wycombe lacemaker, lodger
Amelia Mullett Dec 1863 Wycombe Volume: 3a Page: 289