Is she mentioned in any of her sibling death notices? have you made contact with Glady's family?
Allambe Memorial Park
http://www.ozgenonline.com/~qld_cem/allambe/4kon_hs_images/4018.jpgYOUNG, Gladys May, Death 02MAY2007; age 88; late of Cypress Gardens, Clear Island Waters, formerly of Labrador; Funeral notice Gold Coast Bulletin 05MAY2007
Probate notice 22JUN2007, late of Cypress Gardens Nursing Centre, Clear Island Waters, Queensland; Gold Coast Bulletin 22JUN2007
YOUNG, Franciscus Henrich (Harry) age 88 late of Labrador, Obituary in Gold Coast Bulletin 17APR2004
YOUNG Franciscus Henrich (Harry), Death 10APR2004, age 88, late of Labrador; Gold Coast Bulletin 13APR2004
A daughter of Gladys and Harry YOUNG
GOOSTREY, Hazel Gladys death 05AUG2014, late of Mudgeeraba; Funeral notice Gold Coast Bulletin 07AUG2014
http://tributes.goldcoastbulletin.com.au/notice/58452063/view?random=1492417894907Allambe Memorial Park
http://www.ozgenonline.com/~qld_cem/allambe/3.5K_4K_hs_images/3678.jpgAdding: Castlebrook Memorial Park Windsor Road, Rouse Hill
DOROTHY PARDOE passed away in 1988, aged 72 years
VICTOR SYDNEY PARDOE passed away on 7 July 1996 aged 83 years