When Viliami Moala was born on 18 June 1883, in Puke, Tongatapu, Tonga, his father, Taniela Ma'u, was 90 and his mother, Milise Iatu, was 22. He married Tae Fala'ula about 1917. They were the parents of at least 3 sons and 1 daughter. He died on 24 July 1956, in his hometown, at the age of 73, and was buried in Puke, Tongatapu, Tonga.