Verdi died in New South Wales on 20 August 1974.
Her mother Rebecca died in Homebush, New South Wales on 14 January 1953. Her husband (Verdie's father) is recorded there as Daniel (which differs from Damien in the death registration) which is consistent with the FindaGrave photo source.
Her father may be Daniel Whitbourne (abt.1856-abt.1940), the FindaGrave source would indicate he was born about 1862. The mother does not match the death registration which is likely to be Sarah (May) Whitbourn (e.g. Victorian Birth Registration No. 13976 / 1862)