Four people with the surname WOODRUFF are living in the Evandale district in 1914 according to the Electoral Rolls
These two share a non=specific address of Blessington, Evandale
WOODRUFF, William, no occupation
WOODRUFF, Matilda Ann. HD's
Another two at Evandale are
WOODRUFF, William Charles
WOODRUFF, Thomas.
The roll shows the same in 1919 and 1922.
William woodruff, Labourer of Blessington applies to have his 4 children put into care. His wife has left him.
http://trove.nla.gov.au/ndp/del/article/45843347?searchTerm="William woodruff" +evandale&searchLimits=l-textSearchScope=*ignore*%7C*ignore*|||l-word=*ignore*%7C*ignore*
Examiner Thursday 19 December 1907
There are other items including some for WILLIAM CHARLES, mostly to do with charges of vagrancy.
This is a funeral Notice for William WOODRUFF
1923
http://trove.nla.gov.au/ndp/del/article/23658838?searchTerm="William woodruff" +evandale&searchLimits=l-textSearchScope=*ignore*%7C*ignore*|||l-word=*ignore*%7C*ignore*
The four children seem to make it unlikely this is your chap.
Sue