Manchester records know this may be a long shot but

[amondg]

Notes - Just in case a different Thomas Maher and Bridget nee WELSH
1851 census Liverpool
Thomas 41 Shoe maker born Ireland
Bridget  36 born Ireland
John 7 born Ireland
James 11 months born Liverpool  - GRO Index his mothers maiden name is WELSH

He was born 4 May 1850 bap 9 May  God father  ? Casey, god mother Rose Hackett

1861 census 35 Newsham Street Liverpool
Thomas  54 shoe maker
Bridget 43
John 14
James 11

1871 census Newsham Street
Thomas 60 shoe maker
Bridget 55
John 27
James 24

1881 4 Newsham Street, Liverpool
Thomas 67    boot maker
Bridget 62
John 34   boot maker
James 30    brass finisher

[glenclare]

This is another family for 1861. In Oldham
All born Ireland except Elizabeth

Household schedule number   62
Piece   3007. Folio   79
Page
Thomas Maher 40 Head steam boiler maker
Bridget Maher   45   Wife
Margaret Maher 18 Daughter. Cotton factory operative
Andrew Wellsh. 24 Visitor.         “.        “.          “
Catherine Wellsh 23 Wife            “.        “.         “
Elizabeth Wellsh 4 Daughter born Oldham
Mary Wellsh 22 Visitor
William Reyman 20 Lodger
Mary Murray 16 Visitor

[heywood]

Looking at the ages of her daughters, Margaret would have been born c1790.
The article doesn’t mention if the women were married which, by 1947, they could well be.