If Margaret was born about 1801, then it physically impossible for her to still be having children after 1863 - she would have been too old. I have come up with this family,
1861
CSSCT1861_43 ED12 page 9 line 2 household schedule 61
Dundee Turnpike Road East, Kirriemuir, Angus
James Whyte head 79 Wright (journeyman) Glamis, Forfarshire
Margaret “ wife 68 dressmaker Murroes, Forfarshire
Margaret “ daur 46 dressmaker Glamis, Forfarshire
Betty Watt daur 44 dressmaker Glamis, Forfarshire
Mary Watt grand daur 17 dressmaker Kirriemuir, Forfarshire
1851
CSSCT1851_66 ED21 page 4 line 13 household schedule 22
Newtown, Kirriemuir, Angus
James Whyte head 69 carpenter employing 1 man Glamis, Forfarshire
Margaret “ wife 58 dressmaker Mains, Forfarshire
Margaret “ daur 36 dressmaker Glamis, Forfarshire
Betty Watt daur 34 dressmaker Glamis, Forfarshire
David Whyte son 30 Draper Glamis, Forfarshire
James “ son 25 sawyer Kirriemuir, Forfarshire
Mary Watt grand daur 10 Kirriemuir, Forfarshire
William Watt grand son 7 Kirriemuir, Forfarshire
There’s a marriage on IGI for Betty Whyte and Thomas Watt 03 October 1840, Kirriemuir
1841
ED26 parish number 299
South Muir, Kirriemuir
James White 50 Wright journeyman Angus, Scotland
Mrs White 45 Angus, Scotland
David White 20 linen HLW Angus, Scotland
James White 15 linen HLW Angus, Scotland
Elspet Henderson 25 linen HLW Angus, Scotland
same page:
Thomas Watt 25 linen HLW Angus, Scotland
Bettey Watt 25 Angus, Scotland
Marey Watt 6 months Angus, Scotland
hope this helps