James Boswell's uncle John was a member of a sect known as the Glasites.
Commemorative stone unveiled on Boswell's 271th birthday
On October 29, 2011, on the 271th anniversary of James Boswell's birth, a memorial stone in his honour was revealed at Makars' Court in Edinburgh .
The stone, which is sponsored by the Boswell Museum and Mausoleum Trust, bears an inscription from the first entry in Boswell's famous Boswell's London Journal 1762-1763
I rattled down the High Street in high elevation of spirits.
[from Journal, 15 November 1762]
Read more about it on the homepage of the City of Edinburgh Council.