First initial of “M”, and surname from Death Notice of Victor Carrel held by Rachel Oliver b. 1940.

First and second given names, year and country of marriage, from search on New Zealand BDM website in July 2023:
1947/6814. Bride: Patricia Carrel. Groom: Raymond Noel Millard

Full date of marriage of 5 July 1947 from further searching in July 2023 on BDM Search by incrementally changing the date range for the marriage.