This could be Mary on the 1881 census, but you will need her marriage cert to confirm her Fathers name.
William BEWSHER Head M Male 43 Westmorland, England Police Constable
Elizabeth BEWSHER Wife M Female 42 Kelsall, Westmorland, England
Mary BEWSHER Daur Female 14 Lpool, Lancashire, England Dressmaker
Margaret BEWSHER Daur Female 12 Lpool, Lancashire, England Waistcoat Maker
Benjamin BEWSHER Son Male 11 Lpool, Lancashire, England Scholar
William BEWSHER Son Male 3 Lpool, Lancashire, England At Home
Albert BEWSHER Son Male 4 m Lpool, Lancashire, England
26 Kepler St, Everton, Lancashire
Ref: RG11/ 3664 Folio 69
Regards Sue
Baptism: 25 Nov 1866 St George, Everton, Lancashire, England
Mary Bewsher - [Child] of William Bewsher & Elizabeth
Abode: 26 Kepler St
Occupation: Police-man
Baptised by: C. Logan Curate
Register: Baptisms 1866 - 1882, Page 16, Entry 121
Source: LDS Film 2147913
Baptism: 3 Dec 1868 St Peter, Liverpool, Lancashire, England
Margaret Bewsher - [Child] of William Bewsher & Elizabeth
Born: 21 May 1868
Abode: Everton
Occupation: Police Officer
Baptised by: W. R. Duncan Curate
Register: Baptisms 1868, Page 366, Entry 2922
Source: LDS Film 1656564
Baptism: 15 Feb 1870 St Peter, Liverpool, Lancashire, England
Benjamin Bewsher - [Child] of William Bewsher & Elizabeth
Born: 1 Jan 1870
Abode: Everton
Occupation: Police Officer
Baptised by: R. J. Fairclough Curate
Register: Baptisms 1869 - 1870, Page 267, Entry 2134
Source: LDS Film 1656565
Baptism: 6 Oct 1875 St Peter, Everton, Lancashire, England
Alexander Bewsher - [Child] of William Bewsher & Elizabeth
Abode: 26 Kepler Street
Occupation: Police officer
Baptised by: S. B. Sutton
Register: Baptisms 1870 - 1876, Page 77, Entry 611
Source: LDS Film 1656019
Baptism: 6 Oct 1875 St Peter, Everton, Lancashire, England
Anne Bewsher - [Child] of William Bewsher & Elizabeth
Abode: 26 Kepler Street
Occupation: Police officer
Baptised by: S. B. Sutton
Register: Baptisms 1870 - 1876, Page 77, Entry 612
Source: LDS Film 1656019
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No Baptism record for William or Albert
but there is for Alexander and Anne
so does this mean they had 7 children
? all in 26 Kepler Street ,Everton ....
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scroll down to 2nd map and where you see Rupert Lane Barracks - just above is Kepler Street
https://historic-liverpool.co.uk/interactive-maps/historic-townships/everton/