Electoral rolls:
1936
Arthur Elliot MATTHEWS, 54 Argyle Pl Darling Harbour, seaman. No-one else of same surname at that address.
1943
Arthur Elliott MATTHEWS, 477 Glenmore Rd, Edgecliff, painter
with Florence May MATTHEWS, home duties
Can't see them after that - there are a couple of women of the same name but cannot be sure which may be her.
You can see both houses on Googlemap - they would cost an arm and a leg to buy/rent now.
Judith