Katharine was born probably before 1770, as she married in 1786. There were 3 Katharines born in Dunfermline in that parish between 1740 and 1770 (the first date is birth, the second baptism)
STRUTH KATHARINE JOHN STRUTH/MARGARET GIBSON 22/12/1754 05/01/1755 DUNFERMLINE ASSOCIATE
STRUTH KATHARINE ALEXANDER STRUTH/MARGARET MALER 08/12/1755 12/12/1755 DUNFERMLINE ASSOCIATE[1], and another 3 in the Church of Scotland.
Katharine Struth married John Brough on 28 December 1786 in Dunfermline Associate Church[2]
Her son Adam was born in Dunfermline, Fife on 1 August, 1791, and baptised in the Dunfermline Associate Church on 7 August. [3].