Mary, Mary Hurley is in the Florida Death Index and will have a death certificate from the Bureau of Vital Statistics in Jacksonville, FL. The details of her burial and grave location will be included. Death certs are not that expensive and the turn around time is very reasonable. Here are the details:
Age: 78
Given Name: Mary
Surname: Hurley
Birth Date: 16 Jun 1906
Death: Boca Raton, Palm Beach, Florida
Death date: Jan 1984
All you need are: Her name, Year of death, and the county. You will not get her cause of death because of privacy laws, but anyone can order a death certificate without cause of death. Go to the website
http://www.floridahealth.gov/certificates/certificates/click on this link:
DH727 Application for a Death Record (English PDF 55KB)
Print it out and mail it in with a check. It is cheaper than VitalCheck, but that is an option if you want to use credit card.
I also pick up certificates on a regular basis my contact is:
genfishingforfacts@gmail.com