Name and date of birth from Muriel Leo’s (nee Oliver, 1917-1998) Family Tree and added here in October 2005.

Year of marriage of 1945 from Cynthia Glover (nee Coleman), whose great-great-grandfather was William Samuel Allen b.1843. (William's sister, Martha Allen, married Charles Oliver, youngest son of James and Ruth Oliver).

Date and place of marriage to Sylvia Evelyn Shepard on 20 February 1946 in an email dated 21 April 2017 from Tony Oliver, Grandson of Allen (Len) Ward Oliver b.1896 and great-great-grandson of Charles Oliver b.1843.

Tony advised in the email dated 21 April 2017 that Ronald has passed away.

Date and place of death, from son Ross Kelvin Oliver in an email dated 14 April 2020. Ross is the x2 grandson of Charles Oliver (1843-1930).

Country of birth from birth search on New Zealand BDM website in October 2020:
1920/24495. Oliver, Ronald Allen. Mother: Gladys Alison Catherine. Father: Allen Ward

Full date of birth of 21 September 1920 confirmed from further searching in October 2020 on BDM Search by incrementally changing the date range for the birth.

Different year of marriage from search on New Zealand BDM website in June 2023:
1945/3419. Bride: Sylvia Evelyn Shepherd. Groom: Ronald Allan Oliver

Full date of marriage of 22 February 1945 from further searching in June 2023 on BDM Search by incrementally changing the date range for the marriage.