Hi, What resarch have you already done.

You know that
George [YURKO] PASISHNEK b 1874 Dcd 1955 in Buchanan Saskatchewan.
Wasylki [Lena] PASISHNEK b 1883 -dcd 1961

REGISTRATION of DEATH / Long form Death Certificate
Depending on the knowledge of the Informant - should show -Date place of Birth -
Names of Parents including maiden name of mother.

More Accurate:
Were your Grandparents married in Canada - Saskatchwan
REGISTRATION of MARRIAGE - Long form Marriage Certificate
Should Show age - Place of Birth - Names of both sets of Parents including Maiden name of the Mother - Place of birth of parents [perhaps]

NATURALIZATION: Your Grandfather may have made application for Naturalization .
This informatin is available - check with Provincial Archive.
May show Name , Date and Place of Birth - Names of Parents.
Date and Port of Departure - Date and Port of Arrival
Name of Passenger ship.
Once you know the name of the Passenger ship - you an search http://www.collectionscanada.gc.ca/databases/passenger/index...
to see if other family members travelled together.

OBITUARIS if published - may be very basic or show some family history.

LOCAL HISTORY BOOK PROJECT: Family may have submitted family History/ stories to a Local History book Project.

Cheers & Good Luck, Stella