Looking for Connolly from Galway Ireland

my GGgrand Father Christopher Connolly ( also known as Festus) was born somewhere in Galway in 1826. I believe he was a Cooper by trade.He Migrated to Australia Before 1862. HE met and Married My GGGrandmother Mary Faherty after arrival in Australia. They Married in Brisbane. Christopher Died in 1884 in Brisbane, after Raising a Family with Mary in Dalby. Queensland. Australia.