So Radcliff I have found a 1841 census on Find My Past but I cannot find it on Ancestry.
My George Drinkwater, brewer marries Cicely Spooner on 27 Feb 1832, St Peter, Church St, Liverpool. His son George Drinkwater b 1833, bt 22 Sep 1833 St Peter, d 1833, bur. 25 Sep 1833 Everton. At this time they are at Pontack Lane, Christian St.
Their next child is Margaret Drinkwater b 17 Sep 1834, Pontack Lane, Christian St, Liverpool. At this time Mrs Drinkwater dies in Feb 1835 and she is buried in the Everton Necropolis on 20 Feb 1835. Now the child , Margaret ends up with another family in the 1841, census. A Marn (sic) but looks like Mar Drinkwater aged 8 is living in Toxteth Park, Dist 44.
The father George Drinkwater, brewer has remarried 25 Dec 1836, St Nicholas, Liverpool to Martha Darlington. I can find three children to this union. Sarah Drinkwater b 1838. Rosa Jan 1841- Jul 1841 Liverpool St Peter , they are living at Mansfield Street. Lastly Mary Drinkwater bt 18 Dec 1842, Liverpool St Peter, - Jan 1845. Father George is a labourer now living at Mansfield St.
Family Search has a 1841 census "England and Wales Census, 1841," database with images, FamilySearch (
https://familysearch.org/ark:/61903/1:1:MQ2B-Q9R : 13 December 2017), George Drinkwater, Liverpool, Lancashire, England; from "1841 England, Scotland and Wales census," This has George, living at Mansfield Street, Liverpool Martha, with children Sarah and Rosa. Also living with them is John Darlington, brother of Martha Drinkwater nee Darlington.