Hi and Welcome from me too

As well as the football connection and a pub, there is a road named Glencairn Drive in Rutherglen .
Also, looking at the 1940 valuation rolls for Rutherglen, there is a house called Glencairn, owned by the Salvation Army. Could that be it?
When did your aunt die?
Gadget
Add - it was at 1 Low(er) Bourtree Drive