His dad grew up in the Outer Hebrides, and when Hamish was a scholar at Albion his grandmother still lived there, so not a big surprise to see him play in Scotland at some point.
Exhibit A:
Earlier today I came across an interview with former Albion youngster Micky Conway (who made a couple of first team appearances in the early '70s). This is what he had to say about how he was spotted by the club:-
Being the nerd that I am, I like to make notes about former Albion...