Unfortunately, you will find nothing online as our privacy laws are very strict, and certainly, anything as recent as what you are looking for would only be available to the family upon request to the province where he died.
I did find an engagement notice in the Winnipeg newspaper on 1 October 1938 for the marriage of Dorothy Isobel, only daughter of Mrs. William Huggins, to Mr. James MacMillan King, only son of Mr. & Mrs. David King. Wedding to take place at St. Matthews Church on 29 October 1938 at 3 p.m.
Also found a wedding notice for a Grace Wilson, youngest daughter of Mrs. James King, Victor Street, and the late James McMillan King, Glasgow Scotland, in April 1921, to Gilbert MacLachlan of Glasgow. Given in marriage by her brother, David King. Bridesmaid was Miss J. King, sister of the bride.