John and Mary Ann had son Duncan Murdoch b Greenock 1840. Looking for their origins. He was my gggrandfather. Family talk is that his family came from Tongue and Reay, Sutherland. A sawmill was mentioned. Son Duncan m Isabella Ronaldson in Glasgow 1861. Their family Agnes (m Alexander Mair) John m Margaret Kennedy) Mary Ann Murdoch(m Joseph Stewart James (m Lizzie Auld) William Fulton (m Catherine Pattison)*my grandparents who moved to Dumfries. Isabella's mother was Agnes Lockhart.Anyone with help re a Highland/Greenock link?