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

Dax Eric Clayton Lloyd, (great-grandson of Jessie Bertha Oliver b.1876) writes:
”Here is her cremation record from Pyes Pa, Tauranga;
Record Type: Cremation
Full Name: Jessie Perry SYCAMORE
Age: 82
Gender: Female
Date of death: 18/11/1985
Funeral Director: JONES & COMPANY FUNERAL SERVICES
Cemetery Name: PYES PA
Plot Location: Not Specified
Date of Cremation: 18/11/1985”

Place of birth, date and country of marriage, from:
https://www.wikitree.com/wiki/Cooper-17221

Date if birth confirmed from death search on New Zealand BDM website in October 2018:
1985/53229. Sycamore, Jessie Perry. Date of Birth: 17 July 1903

Full date of death of 18 November 1985 confirmed from further searching in October 2018 on BDM Search by incrementally changing the date range for the death.