Later, Te Puke, as well as an extra team from both Tauranga and Rotorua, joined to bring the total number of teams to 10.
The tournament has stood as one of the most important events in junior rugby since.
Mitchell died in 1944, but the tournament lives on, doubling as a trial for the Bay of Plenty Roller Mills team that goes on to represent the province at the northern regional tournament against teams from Northland, Auckland, Thames Valley, King Country, Waikato and North Harbour in early October.
Tauranga West will defend their title against Rotorua Maroon, Apanui, Te Puke, Whakatane, Rotorua Gold, Tauranga East, Opotiki, Rangitaiki and Galatea at Rotorua International Stadium from Friday.