All I could find for Violet Elizabeth Gribble was the following. There is no divorce info available.
Violet E Gribble
in the Australia, Marriage Index, 1788-1950
•
Name: Violet E Gribble
Spouse Name: John B Wilson
Marriage Date: 1924
Marriage Place: New South Wales
Registration Place: Wellington, New South Wales
Registration Year: 1924
Registration Number: 17017
You may write to the Dept of Vital Statistics in Wellington, New South Wales and ask