Name: Kathleen Margaret MA Kenny
Daughter's full name is Kathleen Margaret May Kenny.
You can get the very basic information on the Department of Justice Government of Western Australia search page. There's also an option to purchase certificates.
A Georgina Perfect married a Thomas Anthony Bergin in Perth, the marriage being registered in 1900 (registration number 1343). There is nothing to say it is the same Georgina who was the mother to the Kenny children. Equally, from the search results index, there is nothing to say it is not.