Belonged to a distinct supra-tribal group he called the Itchumundi nation, believed to have become extinct in the early 1800s due to disease brought by British settlers.

[3] This corporation today runs Poolamacca Station and has also gone on to negotiate mining deals,[4][better source needed] and native title claims[5] Wilyakali traditional lands covered an estimated 8,400 square miles (22,000 km2) from the Barrier Ranges westwards to Olary in South Australia.

The tribe apparently moved south in the first half of the 19th century from its earlier domain to resist strong-arm cultural pressures from the Ngadjuri to adopt circumcision.

A native title claim covering thousands of square kilometres, including agricultural land as well as several small towns along the Barrier Highway, was lodged in 2012 by Maureen, Glen, and Dulcie O'Donnell, on behalf of the Wilyakali people.

[1] Traditional Wilyakali adopted many cultural influences from people to their north and west, such as mura stories, before they had vanished during the era of the removal of Indigenous children by government from their native lands.