I found this death reg. Its handy when they have year of birth noted as well.
From free bmd
Deaths Dec quarter
1969
RYAN Diana Elizabeth -
date of birth Oc 1916
district
Birmingham
volume 9c page 1872
https://www.freebmd.org.uk/cgi/search.pl
Yet familysearch has district as Warwicshire. I don't know areas of the UK so either its ok or there has been a error in one of them when transcribed.
Name Diana Elizabeth Ryan
Death Date 1969
Death Place
Warwickshire, England, United Kingdom
Death Place (Original) Warwickshire
Birth Date Oct 1916
Page 1872
Volume 9C
Affiliate Line Number 50
Im trying to find something to confirm it's the right death.
.