The only known bits of info that are correct.
Marriage 28 Nov 1912/B12589 Catherwood William James - Richardson Helen
1913 QLD Electoral Roll - Brisbane - Toowong
CATHERWOOD William James, Jones st., Auchenflower, engineer
CATHERWOOD Helen, Jones st., Auchenflower, home duties
William J Catherwood
Age: 27
Port of Departure: Sydney, NSW
Arrival Date: 2 Sep 1913
Port of Arrival: London, England
Ports of Voyage: Melbourne, Albany, Durban, Cape Town
Ship: 'Afric'
Shipping Line: White Star Line
Official Number: 110537
Occupation: Engineer
An engineer so probably not the farmer who arrived in 1907.
Deserted on 23 Nov 1912 in Sydney and married 28 Nov 1912 in Brisbane - not likely. Physical description fits the one in Vic. who died in Schofields.
So no birth or arrival or death for the one who married Helen.