1851 Census Record found on Family Search as follows.
Annie D Brown
England and Wales Census, 1851
Name Annie D Brown
Event Type Census
Event Date 1851
Event Place Bedminster, Somerset, England
Registration District Bedminster
Residence Note Hillsbridge Parade
Relationship to Head of Household Daughter
Birth Year (Estimated) 1843
Birthplace Tenby Castle Tenby,
Page Number 30
Registration Number HO107
Piece/Folio 1945 / 406
Affiliate Record Type Household
Edward Brown Head M 37 Bedminster,
Jane Brown Wife F 39 Ireland Cork
Annie D Brown Daughter F 8 Tenby Castle Tenby,
"England and Wales Census, 1851," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SGP9-K1P : 29 July 2017), Annie D Brown in household of Edward Brown, Bedminster, Somerset, England; citing Bedminster, Somerset, England, p. 30, 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.
It may be possible to confirm family relationships with Jane by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Jane: