Sarah Hardman was born in 1840 in Prescot district, Lancashire - probably in Eccleston. She was the daughter of John Hardman and Margaret Sixsmith.
By June 6th 1841, the family was living in Lane Ends, Eccleston. John was a carter; as well as John and Margaret and their children, the household included Margaret's sister Mary Sixsmith, and a labourer named Francis Hollihead. Baby Sarah was 5 months old.
"England and Wales Census, 1841," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MQ2G-5GH : 22 May 2019), Sarah Hardman in household of John Hardman, Prescot, Lancashire, England, United Kingdom; from "1841 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives, Kew, Surrey. Piece 516-06 folio 29 page 18