I have Hannah Wailes b 1894 Auckland marrying George Philipson born 1892 Winlaton/ Spen
They married in 1916 and their only child Hannah was born in 1918.
Birth registration states mother's name Wailes
I
don't have access to the 1921 census.
FindMyPast are currently the only access to the 1921 census and we are not allowed by RC rules to do lookups.
Your library may have access on their in house computers.
HOWEVER, FindMyPast let you register and do a search for free - then you get the option of paying either £2.50 for the transcript or £3.50 for the image
Via an account that doesn't have a sub I did a search for Hannah Phi*ipson born 1918 in Co.Durham (as the later marriage that has been found has two l's rather than one)
1 result, Hannah Phillipson, born in Crook, lived in parish of Crook & Billy Row, Reg District Auckland
hover over the transcription icon and it says there are 4 people in total, Hannah, and Isabel and an Isabella plus one other
Repeated the search just using Hannah Phillipson, no birth year and specified living in Crook & Billy Row, Reg District Auckland
2 results 1 as above and the other was born 1894
EDIT ADDED
If you do that search for Hannah Phillipson born 1894 and on the advanced screen specify a marital status of Widowed the same record pops up again, so she is saying George had died by then.So as we can't do an actual look up, and this looks really quite likely to be them you'd need to either pay for the image (the extra pound is worth it to be sure its transcribed correctly and also see the address panel which shows who it was addressed to) OR find a library near you who has access to FindMyPast on site.
Boo