At last some names.
https://trove.nla.gov.au/newspaper/article/16965680
The Sydney Morning Herald (NSW : 1842 - 1954) Mon 27 Mar 1933 Page 8 Family Notices
HARVEY.—March 25, 1933, at her residence,
Rienzi, West Esplanade, Manly, Mary Ann, widow
of the late Charles Harvey, loving mother of Sarah
(Mrs. Kershaw), Elizabeth (Mrs. Shaw), Molly (Mrs.
Hutton), and Annie (Mrs. Llewellyn), aged 87 years.
Marriage 3279/1890 KERSHAW ABRAHAM - HARVEY SARAH M - CROOKWELL
Marriage 4585/1908 HUTTON SIDNEY F - HARVEY MARIA - CROOKWELL
Marriage 9156/1911 LLEWELLYN THOMAS J - HARVEY ANNIE - CROOKWELL
We either have the wrong marriage or the family moved from south coast Ulladulla/Kiama/Milton inland to Crookwell/Goulburn.