Nothing obvious leaping out, Dave.. Had a nosy at the trees.
A couple going with:
b. 1866 Ireland, not validated, they have this..
"Birth, 4 August 1866 Castlegar Galway, Ireland"
Arrival Qld. Anc. has Cooktown = BRENNAN Anne 19 Merkara 11 May 1883 IMM/117 737 Z1960 [Not validated]
They have this as first marriage, not validated..
28 June 1884 St Marys Catholic Church Bundaberg Queensland
William Graham (1859–1897)"
There is this..
Spouse: Annie Brennan
Marriage Date: 28 Jun 1884
Registration Place: Queensland
Registration Year: 1884
Registration Number: 000109
Page Number: 5622
They have Henry Jaques listed as a possible second husband no age/details for \Henry.