First two given names, date of birth, year of death, from research file42 in January 2019.

Year of death confirmed, country of death, from death search on New Zealand BDM website in January 2019:
2014/5104. McKoy, Carol Isobel. Date of Birth: 6 July 1918

Full date of death of 27 February 2014 from further searching in January 2019 on BDM Search by incrementally changing the date range for the death.

First 25 of 99 words of Death Notice published in The New Zealand Herald on Mar. 3, 2014:
McKOY, Carol Isobel. On 27 February 2014, aged 95 years. Loved wife of the late Laurence Andrew (Tim) McKoy. Dearly loved mother and mother in...