1917 Neil Richard Duncan AVERY appears on the Vic E. Roll as a sawyer at Yarram.
1919 he is at the Pastoral Hotel Echuca as a Hotel Manager. Also at that address George Charles and Catherine Ada AVERY
He joined the WW1 forces and his record is digitised here.
https://www.naa.gov.au/explore-collectionMarriage
Neil Richard Duncan AVERY
Marie Eileen SPILLANE
1919 Victoria
2421
1922 Roll Vic.
Neil Richard Duncan AVERY. 45 Edward St Caulfield West. Fruiterer
With Eileen Marie AVERY. HD
1925 to 1927
Eileen Marie AVERY. 1 Jervois Street St Kilda. HD
1931 to 1934
Neil Richard Duncan AVERY is at Yarram where he is a fisherman. There are others of the surname in the area, but not Eileen Marie.
The couple divorced in 1934
https://trove.nla.gov.au/newspaper/article/243316407 Eileen Marie AVERY, late of Charnwood Cres, St Kilda, could not be located in 1939
https://trove.nla.gov.au/newspaper/article/243463455 I will search out the next few years now.
Sue