Hi Bradley,
From the Provincial Archive of BC Vital Events Index
Marrige 1859-1933 Birth 1872-1903 Death 1872-1988

Mary Kassion Age:33 Event:Death
Place Kimberley Date:1935 12 1 (Yr/Mo/Day)
Reg. Number:1935-09-508322
Microfilm #:B13155 (GSU # 1953019)

Dymtro Kassian Age:71 Event:Death
Place Cloverdale Date:1960 12 1 (Yr/Mo/Day)
Reg. Number:1960-09-014448
Microfilm #:B13249 (GSU # 2033347)
*there are 7 Kassian deaths in BC

Perhaps Family Connected??
Groom Levent Piasecki
Bride Eva Beyboirtkoi
Place Fernie Date:1912 7 24 (Yr/Mo/Day) Event:Marriage
Reg. Number:1912-09-151058
Microfilm #:B11385 (GSU # 1983978)

Louis Piasecki Age:79 Event:Death
Place Matsqui Date:1980 12 22 (Yr/Mo/Day)
Reg. Number:1980-09-019827
Microfilm #:B13608 (GSU # 2051484)

Filmed Registration may show - depending on requirements at the time - and knowledge of the informant.
Time in Municipality,Province, Canada
Place of Death. Name and Address
Date and Place of Birth - Sex.Citizenship.Race
Marital Status. Spouse
Occupation.Industry.Time at Occupation.Last worked
Names of Parents including mothers maiden name, Place of birth of parents - all depends on knowledge of informant.
Name and Address of Informant - relationship to deceased
Date of Death. Cause of Death. Burial or Cremation
Name and address of Funeral Home,Cemetery,Physician.

Film can be viewed at no cost at the provincial Archive in Victoria - Some Public & University Libraries - Transcribed - Copies .50 cents or less depending on copy machine.

Volunteers at Random Acts of Genealogical Kindness - British Columbia
ANY who offer search of Public Record - can transcribe - or copy information found.
Some may search for Obituary - Others offer Cemetery photo

Marriage Registration of your Ggrandparents. will have accurate information of all that is required at the time.
The cost $40 from the Govt of Alberta Vital Statistics Registry offices in Edmonton

KASSIAN, ; Vegreville In Review; Minburn
KASSIAN, Nick & Eileen; Vegreville In Review; Minburn
KASSIAN, Nickola & Hashka; Building and Working Together; Thorhild

Post to Message Board for Alberta - there may be persons who are family connected - or may offer help

Through the Years - Innisfree and district
has a story about Constantine Kassian & family -

Cheers Stella