According to the details on the back of the "Voice of Scotland CD1", he was born in Cambuslang in 1097, trained as a draughtsman, became a professional singer in his early 20s, moved to the Doyle Carte.

He died in 1964 "having never fully recovered from a car accident the previous year".

I bought a CD called "The Very Best of Robert Wilson" a few years ago which I have never seen since. The inserts on the CD gives a little more info, if you want any...