Ernest,
This intrigues me no end. I am assuming that the old building "Clybane" is still in the upright position though I've also been told there's nothing left at Clylbane farm but an old apple tree. Is your colleague possibly in the construction business? In the US; in order to get work permits for an older or heaven forbid, a historically registered building; one must do the history of the building in question. And since Jean nowhere mentions Wm Clague's parents in the first message on this thread; I don't know how you would make the connection which is a correct one that his parents ared Tom Clague and Elr Gelling.
Anyway. The question you pose could unleash a swarm of answers and as far as I know, they stem from the 1841 Census of Santon, the 1851 census of Liverpool for her as a widow with her son John, the 1861 census of 7 John Street, Douglas for Ellen ("retired innkeeper" no less) and grandsons, the 1871 census in Liverpool with her daughter Mary Ann Hunter, the Marown Parish records for her christening date, the Anfield cemetery Liverpool Monumental Inscriptions for her death, the Santon burial register for Tom's death "mason from Douglas". And don't forget the Braddan parish records for the marriage of the couple which tells you she is "of Marown".
But like I always say, there are many ways to get the cheese. How did you make the connection? To what is your "work colleague" up?