Featherweight Michaela had scored a third-round knockout in the afternoon (overnight) session Down Under and welterweight Aidan followed it up with a comfortable quarter-final win of his own.
The Monkstown speedster eased past New Zealander Leroy Hindley in Australia, scoring a unanimous decision win which confirmed a first major medal for the 20-year-old.
The 2015 Commonwealth Youth gold medalist will now look upgrade this bronze and in the semi-finals Walsh will face Fijian Winston Hill who defeated Scotland’s Stephen Newns in the preceding bout. The fight with the Pacific Islander will take place on Friday morning at 11:00am.
It was a third guaranteed bronze of the day for Northern Ireland following quarter-final wins for the elder Walsh and bantamweight Kurt Walker against Botswanan Keamogetse Kenosi and Lesotho’s Moroke Mokhotho respectively. There was no luck though for heavyweight Dee Sullivan who dropped a split-decision to Aussie Jason Whately.
Kristina O’Hara had previously guaranteed bronze in the light fly class..
The final Irish fighter in action today is Donegal-Belfast super heavy Stephen McMonagle who fights for bronze versus Kiwi Patrick Mailata at 12:15pm.
All times are Irish time. The Gold Coast is nine hours ahead.