Hi Philadelphia,
Re: "Martha married Thomas Parker at Balmain 28 july 1881"
You may already have all the following info......
Death 2 December 1943.
25614/1943 PARKER MARTHA 82 YRS BALMAIN BALMAIN
Probate notice, for Martha PARKER, published in the SMH, 9 December 1943.
Her husband’s (Thomas PARKER) death and funeral notices published in the SMH 24 October 1921.
http://trove.nla.gov.au/ndp/del/article/15972882?searchTerm=... parker" "Martha parker"&searchLimits=l-state=New+South+Wales|||l-title=35
Mary