You may find on voters lists and that would be about all.
Canada has privacy rules limiting when info can be released. 90-100 years in most cases.
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Her parents
Name:George Tener Jannack
[George Vernon Jannack]
Age:23
Birth Date:abt 1884
Birth Place:Dundas County, Ontario
Marriage Date:29 May 1907
Marriage County or District:Dundas
Father:Ezra Jannack
Mother:Bertha Biccum
Spouse: Cornie Coons
Spouse's Age:17
Spouse Birth Date:abt 1890
Spouse Birth Place:Dundas County, Ontario
Spouse Father:Russell Coons
Spouse Mother:Sarah Haggerty
1911 census
Name:George Jannack
Gender:Male
Marital Status:
Married
Age:47] [27]
Birth Date:Nov 1864[Nov 1884]
Birth Place:Ontario
Relation to Head of House:Head
Spouse's Name:Barra Jannack
Race or Tribe:Irish
Province:Ontario
District:Dundas
District Number:63
Sub-District:3 - Matilda
Sub-District Number:3
Household Members:
George Jannack 47[27]
Barra Jannack 21 Carry... Dutch descent
Milton Jannack 1
Ontario Births
Name:Melton Russell Janack
Date of Birth:2 Dec 1908
Gender:Male
Birth Place:Grenville, Ontario, Canada
Father's name:George V Janack
Mother's name:Carrie Coons
1945 Voters list
Electoral District:
Grenville-Dundas
all living RR2 Iroquois
Mowatt and Mrs. Jannack labourer
Edwin Jannack pilot
Mary Jannack nursing sister
George and Mrs. Jannack farmer
Douglas Jannack labourer
Milton and Mrs. Jannack labourer
find his parents Ezra and Bertha in 1921 census but not George and Corrie