Hi John,
Her birth place is Ulverston Lancashire on most censuses.
The 1881 census shows one son William.
1891
RG12/2576 105 1
North Forty Foot Bank, Lincolnshire
3 rooms occupied
John Mawer, head, 36, Boot Maker, b. Nettleham
Fanny, wife, 34, b. Ulverstone
William, son, 11, scholar, b. Lincoln
Juilana, dau, 9, scholar, b. Treherbert
Beatris, dau, 7, scholar, b. Nettleham
John T, son, 5, scholar, b. Lincoln
1901
RG13/3116 23 9
Springthorpe, Lincolnshire
In Village
John Maw, head, 46, bott maker, own account, at home, b. Nettleham
Fanny, wife, 44, Post Mistress, b. Lancs Ulverstone
Beatrice, dau, 17, b. Nettleham
John T, son, 15, b. Lincoln
Florence, dau, 8, b. Haugham