Sandi, as you will see there is no mention of a Harcourt in this family.
William and Agnes' children:
20907/1959 Mary Ellen G Hartnett CHATSWOOD
40865/1974 Nelson Edward William Hartnett
HARTNETT Nelson William Edward Death notice 1-1-1974 Death 66 late of Darlinghurst Sydney Morning Herald 3-1-1974
Nelson's court marshall:
https://recordsearch.naa.gov.au/SearchNRetrieve/Interface/ViewImage.aspx?B=302416Marriage:
10113/1915 Amber R HARTNETT to Donald D REID ANNANDALE
16839/1927 Amber R REID to Thomas SMITH NORTH SYDNEY
Death of Amber: 30046/1969 Amber Rose SMITH parents William and Agnes KOGARAH
SMITH Amber Rose Death notice 19-8-1969 Death 77 late of Peakhurst Sydney Morning Herald 23-8-1969
Death of Donald: 10339/1923 Donald D REID parents Alfred E and Amy ROCKDALE
Death notice:
http://nla.gov.au/nla.news-article16088697Funeral notice:
http://nla.gov.au/nla.news-article16088852Death of Thomas: 24159/1976 Thomas SMITH parents William and Martha
SMITH Thomas Death notice 21-9-1976 Death 84 late of Peakhurst Sydney Morning Herald 27-9-1976
At Woronora Cemetery:
Amber Rose Smith 19-8-1969, Burial Anglican Monumental - Section Aj - 0697
Thomas Smith 21-9-1976 Burial Anglican Monumental - Section Aj - 0697
Marriage:
3643/1921 Myrtle L HARTNETT to Ethelbert C LUGTON ST LEONARDS
Death:
65381/1973 Myrtle Lillian LUGTON parents William and Agnes ST LEONARDS
LUGTON Myrtle Lillian Death notice 6-12-1973 Death 83 late of Northbridge Sydney Morning Herald 7-12-1973
5781/1947 Ethelbert Charles LUGTON parents William and Annie Rebecca NORTH SYDNEY
http://nla.gov.au/nla.news-article18018726At Macquarie Park Cemetery: METHODIST MONUMENTAL, D5, Grave 0006
Lugton Myrtle Lillian 6-12-1973
Lugton E Charles 12-2-1947
Their son's death: 10725/1959 Ronald William LUGTON CHATSWOOD
LUGTON Ronald William Death notice 3-5-1959 Death 36 at RPA Hospital, late of Northbridge Sydney Morning Herald 5-5-1959
His marriage: 3789/1949 Ronald William LUGTON to Josephine Ellen Margaret RYDE
Josephine's death: LUGTON Josephine Ellen Margaret Death notice 13-11-2013 Death 88 late of Denistone SMH 16-11-2013
At Northern Suburbs Memorial Gardens:
Ronald: Location: Crescent CourtSection: Wall 8
http://www.heavenaddress.com/restingplace/northernsuburbsmemorialgardens/ronald-william-lugton/711225Josephine: Location: Memorial Garden DESection: Lot: Location 130
Born on 15 September 1925
Passed away on 13 November 2013
Aged 88 years
Daughter of Myrtle: 3898/1957 Peggy Narelle LUGTON to Stefan Robert SATMARI NORTH SYDNEY
SATMARI Peggy Narelle Death notice 4-6-2005 Death at Bathurst Base Hospital Sydney Morning Herald 6-6-2005
SATMARI Stefan Robert (Steve) Death notice 31-10-2001 Death at Bathurst Base Hospital Western Advocate (Bathurst) 2-10-2001
I can't see a NSW marriage or death for Edna LUGTON.
Jamjar