The Myall Creek Massacre took place in June of that year, on Myall Creek Station near the Gwydir River. The Myall Creek Massacre. The escalating conflict between settlers and Aboriginal people on the frontier was one of the issues confronting Governor Gipps on his arrival in the New South Wales colony in 1838.he brutal massacre at Myall Creek of around 30 men, women and children of the Wirrayaraay and Gamilaroi peoples in June 1838, the subsequent court cases and the hanging of the seven settlers for their role in the massacre, was pivotal in the development of the relationship between settlers and Aboriginal people in NSW.