Assuming this is the CRAWFORD/ WYMER family you are looking for in 1891 at Forest Drive East, West Ham?
Francis W Wymer 65 Cheshire, England (shipwright/engineer)
Margaret Wymer 52 Scotland
David R Crawford Stepson 31 Scotland
Archibald Rd Crawford Stepson 27 Scotland
George Wymer Son 20 Scotland
Charles E Wymer Son 17 Scotland
Duncan M Wymer Son 15 Scotland
John M Wymer Son 14 Scotland
Janet M Wymer Daughter 11 Scotland
Margaret Awford Daughter In Law 31 Scotland (as transcribed from familysearch, not sure if it is supposed to be CRAWFORD?)
James Awford Grandchild 4 Scotland
David E Awford Grandchild 0 Scotland
RG12/1346/ 41 pg18
Francis William WYMER died in 1898 West Ham (4a/161)
This appears to be Margaret in 1901 at Warren Rd, West Ham
Margaret Wymer 61 Scotland
Janet M Wymer Daughter 21 Scotland
And in 1911 at Wandsworth, London
Archibald M Nair Crawford 47 Greenock Resident, Renfrewshire (ship draftsman)
Margaret Wymer Mother 71 Greenock Resident, Renfrewshire
Janet M Neilage Wymer Sister 31 Greenock Resident, Renfrewshire