First three given names from birth search of daughter on New Zealand BDM website in December 2023:
1920/17458. Ginn, Mavis Winifred. Mother: Ethel Jane May. Father: James

Maiden name, year and country of marriage from search on New Zealand BDM website in December 2023:
1898/3267. Bride: Ethel Jane May Dunstan. Groom: James Ginn

Full date of marriage of 19 December 1898 from further searching in December 2023 on BDM Search by incrementally changing the date range for the marriage.

Year and country of birth, name of parents, from search on New Zealand BDM website in December 2023:
1879/13135. Dunstan, Ethel Jane May. Mother: Mary. Father: Richard

Full date of birth of 10 August 1879 from further searching in December 2023 on BDM Search by incrementally changing the date range for the birth.

Year and country of death, from death search on New Zealand BDM website in December 2023:
1948/30536. Ginn, Ethel Jane May. Died age 69Y

Full date of death of 16 September 1948 from further searching in December 2023 on BDM Search by incrementally changing the date range for the death.