Would the official birth entry for Mary Watson show details of parents marriage.
1871 census
Andrew Watson Head Widower Male 57 1814 Shipbuilder lab Ireland
Margaret Watson Daughter Unmarried Female 30 1841 - Ireland
Mary Watson Daughter - Female 7 1864 Scholar Wigtownshire, Scotland
Alexander Carnochran Visitor Unmarried Male 19 1852 Engineer (fitter) Stranraer, Wigtownshire, Scotland
WATSON
MARY ANDREW
F
1864
891 / 6 Leswalt (added, this child is the illegitimate daughter of Andrew's daughter Margaret)
1861-Labourer's House, Leswalt (Landward), Wigtownshire, Scotland
Andrew Watson - Married Male 47 1814 Labourer Ireland
Mary Watson - Married Female 50 1811 - Ireland
James Watson - Unmarried Male 19 1842 Cabinetmaker ap Portpatrick, Wigtownshire, Scotland
Elizabeth Watson - - Female 14 1847 Scholar Portpatrick, Wigtownshire, Scotland
SS