[7] In the 1820s, Welsh was notable for his attempt to forge an alliance between the evangelicals and the Edinburgh Phrenological Society - then at the height of its influence.
However, Welsh was out-manoeuvered by George Combe - the "high priest" of the phrenologists - who prohibited all discussion of religious matters at phrenological meetings.
[8] He is seen on the Disruption Painting by Hill to Thomas Chalmers's right holding the protest he read to the Church of Scotland assembly.
He died of a heart attack on 24 April 1845 at Camus Eskan in Dumbartonshire,[7] and is buried against the western outer wall of the southern section of St Cuthbert's churchyard in Edinburgh.
[11] Her father John Hamilton was three times Lord Provost of Glasgow and her paternal grandfather Rev Dr John Hamilton served in St Mungos (Glasgow Cathedral) and was Moderator of the General Assembly of the Church of Scotland in 1766.