Last name from Muriel Leo’s (nee Oliver, 1917-1998) Family Tree.

First and second given names, dates and places of birth and death from Rachel Oliver b. 1940.

Results from birth search on New Zealand BDM website in November 2018:
1901/7980. Kendall, Sidney Lionel. Mother: Minnie Elizabeth. Father: Harry John

Full date of birth of 23 March 1901 confirmed from further searching in November 2018 on BDM Search by incrementally changing the date range for the birth.

Another Kendall-Oliver Relationship:
Sidney’s wife’s (Claire Frances Feltham) mother is Florence McKoy.
Florence is the daughter of Mary Ann Oliver (1826-1908).
Mary Ann Oliver is the sister of Samuel Oliver (1833-1907).
Samuel Oliver is the great-grandfather of Rachel Frances Oliver (1940-2024).