Hi Raylene & Bill
I found her - Iris is buried at the Gympie Cemetery Qld
She is buried under Watts - so you may need to look for her Death certificate under Watts.
Registration No: 15555
Date of Service: 11th January 1972
WATTS Iris Vilinda (known as Milton)
Also found possible for Vernon WATTS - if you contact the Gympie Times they may have death notices which may have relatives names etc.
WATTS, Vernon James. Funeral Service to be held in the Cooloola Coast
Crematorium Chapel, 236 Brisbane Road, Gympie at 10:00a.m. Gympie Funeral
Location: Gympie | Published Date: 03 Feb 2009
WATTS Vernon James
Death age 79 at Winston House Retirement Centre, late of Gympie, formerly of Gunalda
Gympie Times 31JAN2009