Looking for Davis George Charles of New Zealand May Have Moved to Australia

I am looking for George Charles Davis, born in England at Essex around 1875 . He had a family of 14 children, (starting 1904) in New Zealand and abandand family about 1920.

He had eye trouble in one eye (not sure which eye) he worked as a carpenter on the railways ( bridge biuilding) in New Zealand all over the country.
He may have had an alias Christopher Davis

Said to have gone to Australia 1920 / 1922 and lived in Ballarat. Bendigo area. said to be a good carpenter , he most likly built bridges.