Name, year and country of marriage from search on New Zealand BDM website in January 2019:
1937/11323. Bride: Ellen Lucy Lester. Groom: Hilton Ralph Cox

Full date of marriage of 20 November 1937 from further searching in January 2019 on BDM Search by incrementally changing the date range for the marriage.

Year and country of birth from search on New Zealand BDM website in January 2019:
1915/26136. Lester, Ellen Lucy. Mother: May. Father: John William

Full date of birth of 1 November 1915 from further searching in January 2019 on BDM Search by incrementally changing the date range for the birth.

No record of death under surname of “Cox” could be found on the New Zealand BDM website as at January 2019.

However, death record found on the New Zealand BDM website as at January 2019 under surname of Colquhoun. Date of birth matches:
2016/26951. Colquhoun, Ellen Lucy. Date of Birth: 1 November 1915

Full date of death of 7 October 2016 from further searching in January 2019 on BDM Search by incrementally changing the date range for the death.

Death Notice published in The Press on Oct. 10, 2016:
COLQUHOUN, Ellen Lucy (formerly Cox, nee Lester): 1.11.1915 - 7.10.2016 Loving wife of the late Al and Hilton. Loved mother and mother-in-law of of Trish…
(Death Notice is archived so can only see partial text, first 25 of 107 words).