Some information gleaned from armchair searchings today, so needs validation before confirming these as part of Joseph Bottrell's family tree. (Prompted by J's finding of the engagement announcement)
at NSW BDM online for Doreen Josephine and William John's daughter, Registered Gosford.
O'NEILL Patricia Dawn,
13148/1955
and at Ryerson Index SMH 25 April 1955, late of Holgate, formerly of Kingsford, at 18 years of age.
Funeral notices for Doreen and for William:
SMH 3 Feb 1959
O’NEILL – The funeral of the late Doreen Josephine O’NEILL of Holgate, formerly of Kingsford, with leave R H Creighton’s Private Chapel, Gosford, Tomorrow (Wednesday) after service commencing at 9.30 a.m., for Point Clare Cemetery. R H CREIGHTON, Central Coast Funeral Service, Pty Ltd., Gosford. Death notice on same page mentions others, including Doreen's daughter as Patricia (deceased). NSW BDM online has indexed death registration at North Sydney for O'NEILL Doreen Josephine # 4592/1959.
SMH 23 Oct 1959
O'NEILL - The funeral of the late William John O'NEILL of Arncliffe, will leave R H Creighton's Private Chapel, Gosford, Tomorrow (Thursday) at 10 a.m., for Port Clare Cemetery ..... (Death notice on same page mentions others but not Patricia.) NSW BDM online has indexed death registration at Gosford for O'NEILL William John # 16241/1964.
https://news.google.com/newspapers?nid=lL5f5cZgq8MC&dat=19631024&b_mode=2&hl=enhttp://ryersonindex.org/index.htmhttp://www.bdm.nsw.gov.au/Pages/family-history/family-history.aspxJM