Not sure why you posted this in the Australia forum?
Do you know what Thomas did for a living?
Minnie Royal was born in Hackney, as seen on the 1901 census:
Reference RG13, Piece 1651, Folio 31, Page 12
54 Windsor Road, Ilford, Essex
Cartwright, Minnie E Wife F 25 b Hackney, Middlesex
Cartwright, Harry R Son M 3 months b Ilford, Essex
Ball, Ellen Mother-in-Law Married F 50 Maternity Nurse b Chilmark, Wiltshire
Royal, Ethel H Sister-in-Law F 27 Manageress City Restaurant b Freemantle, Hampshire
Ball, Gladys W Sister-in-Law F 13 b Upton Park, Essex
The marriage took place near Newcastle Upon Tyne!
September qtr 1899
Tynemouth district Vol 10b, page 444
Cartwright, Thomas
Royal, Minnie Emma A
But, I can't find Thomas in 1901?
Of the 6 Thomas Cartwrights born in Cheshire, around 1864, 4 are married and with their wives, 2 are single!