Gabbey was educated at the Royal Belfast Acedemical Institution (RBAI - Inst).
Gabbey is mentioned in this 16mm film just after 6' 40" in. He is described as a bridge player.
Acknowledgements to lennonwylie
In the 1966 annual accounts of the Belfast Banking Company he is recorded as being Managing Director of the Belfast Bank.
Gabbey's interests outside the bank were rugby football, tennis, soccer, Contract Bridge, Chamber of Commerce, Royal British Legion. He was also Govenor of the War Memorial Building of the Legion in Waring Street, Belfast.