Year and country of marriage from search on New Zealand BDM website in May 2019:
1930/3695. Bride: Mavis Enid Trainer. Groom: Golding Thomas Edward Hemingway

Full date of marriage of 17 May 1930 from further searching in May 2019 on BDM Search by incrementally changing the date range for the marriage.

Year and country of death, date of birth, from death search on New Zealand BDM website in May 2019:
1998/10114. Hemingway, Thomas Edward. Date of birth: 15 December 1905

Full date of death of 25 May 1998 from further searching in May 2019 on BDM Search by incrementally changing the date range for the death.