I Am Wanting to Know the Names and Dates of Birth of Joan and Lindsay Mallise of Ashford Inverell Nsw Children X 4 Deceased

Here's the death dates from Ryerson; some with ages. Not what you want but a start.
https://ryersonindex.org/search.php
MALLISE Daisy (Splinter) see GROTH, Daisy (Splinter) Manilla Express 07DEC2022

MALLISE Edna Muriel see WILKINSON, Edna Muriel Northern Daily Leader (Tamworth) 04MAR2017

MALLISE Gregory Raymond Death notice 14SEP2003 Death 29 late of Toorbul, formerly of Inverell Courier Mail (Brisbane) 18SEP2003

MALLISE Henry Charles Probate notice 21NOV2013 Death late of Tamworth NSW Probate Index 04FEB2014

MALLISE Henry Charles (Charlie) Funeral notice 27NOV2013 Funeral 87 Northern Daily Leader (Tamworth) 26NOV2013

MALLISE Kathleeen May Death notice 19APR2005 Publication 89 late of Inverell, formerly of Bundarra Inverell Times 19APR2005

MALLISE Lorna May see ABRAMOW, Lorna May Newcastle Herald 27APR2011

MALLISE Marcia Olive Death notice 15JAN1999 Death 66 late of Campbelltown Sydney Morning Herald 19JAN1999

MALLISE Peggy Martha Death notice 28MAR2023 Death 90 late of Tamworth Northern Daily Leader (Tamworth) 01APR2023

MALLISE Peggy Martha Probate notice 28MAR2023 Death late of South Tamworth NSW Probate Index 11APR2023

MALLISE Raymond James Probate notice 02NOV2019 Death late of Gilgai NSW Probate Index