Name and day and month of birth (23 Dec) from Muriel Leo’s (nee Oliver, 1917-1998) Family Tree.
Name confirmed from information from Joy (Margaret Joy) Nixon - nee Oliver, daughter of Leslie John Oliver.

Dax Eric Clayton Lloyd, (great-grandson of Jessie Bertha Oliver b.1876) writes:
“You have her birth as 23 Dec, but according to her death registration;
Registration Number: 1999/5561
Family Name: Pattie
Given Name(s): Jessie Gurney
Date of Birth/Age at Death: 21 Dec 1907”.

“And, Her burial record;
Name: Jessie Gurney PATTIE
Age: 91
Sex: Female
Death: 5/03/1999
Born: 21/12/1907
Buried: 10/03/1999
Type: Burial
Funeral Director: Grinter Funeral Services
Last Address: Resthaven Hospital Cambridge
Location: Hamilton Park Cemetery, MAGN-32-26”

Brian of nzolivers.com has changed her date of birth accordingly.

Year and country of marriage from search on New Zealand BDM website in October 2018:
1933/5440. Bride: Jessie Gurney Oliver. Groom: Norman Robert Leslie Pattie

Full date of marriage of 19 April 1933 from further searching in October 2018 on BDM Search by incrementally changing the date range for the marriage.