"Edmund and Julia had a daughter Mary Ann who died 31 March 1866.  She is buried with her parents and from age would have been born circa Jan. 1865 (9 months before my great Grandmother)."
Adelaide Cemetery -
https://aca.sa.gov.au/record-searchSection G, Drive A, Path 36, Site Number 104N
DOOLY Edmund            3 Jun 1889  51y
DOOLY Julia                11 Oct 1922  84y
DOOLY Elizabeth         30 Nov 1935 47y
Is there a headstone with inscription at this grave?