Hi Do you have names for the parents of Donald Patrick ROSS?

Perhaps your Alberta Pearl MORGAN?
From Provincial Archive of BC Vital Events Index:online.

Groom Arthur Lee COLTER
Bride Alberta Pearl MORGAN
Place Kelowna
Date:1934 5 25 (Yr/Mo/Day) Event:Marriage
Reg. Number:1934-09-413091
Microfilm #:B13767 (GSU # 2135986)

Cheers, Stella