Name, year and country of birth, from Brian of nzolivers.com, from search results in June 2017 of official BDM Historical Records showing children born in New Zealand to Ernest Lewes Gates and Sarah Selina Gates (nee Burch):
1914/18738. Gates, Alberta Lilian. Mother: Sarah Selina. Father: Ernest Lewes

Year of death of 1992 from Joshua Keijsers’ Family Tree as at May 2020.
Joshua is the x2 great grandson of Walter and Edith Minnie (nee Oliver) Chatterton through their daughter Beryl Minnie May Chatterton.

Full date and place of death from:
https://www.geni.com/people/Alberta-Oliver/6000000080193836211

A search in May 2020 for the marriage on the New Zealand BDM website found:
1937/6587. Bride: Alberta Lillian Gates. Groom: Robert Thomas Oliver

Full date of marriage of 6 May 1937 from further searching in May 2020 on BDM Search by incrementally changing the date range for the marriage.

Date and country of marriage, from Brian’s research above.

Although this Alberta’s husband Robert Oliver is not connected to Brian of nzolivers on his father’s side, Alberta herself is connected to Brian on Brian’s mother’s side. Yes, this Alberta and Brian of nzolivers are both descendant from Joseph Dodson born 1780!

Full date of birth of 6 May 1914 from further searching in May 2020 on BDM Search by incrementally changing the date range for the birth.

Country of death, date of birth confirmed, from death search on New Zealand BDM website in May 2020:
1992/52020. Oliver, Alberta Lilian. Date of birth: 6 May 1914

Full date of death of 10 October 1992 confirmed from further searching in May 2020 on BDM Search by incrementally changing the date range for the death.

Preferred name of “Berta” from headstone photo found in May 2020.