The Methodists expanded mission in the Western Islands, Munda Point and Bougainville.
Later, in 1968 the Methodist church united in Papua New Guinea and the Solomon Islands, to form the United Church in Papua New Guinea and the Solomon Islands.
In the Western Solomon Islands the London Missionary Society gained majority.
After independence, the area became known as the sovereign nation of Solomon Islands.
In 1978, a movement in Bougainville seeking secession from Papua New Guinea disrupted communication with within the church.