Rātana was of the Ngati Apa and Ngā Wairikiiwi — his subtribes were Nga Ariki, Ngāti Hikapirau, Ngāti Rangiwaho, Ngāti Kiriwheke and Ngati Kauae. On his mother's side he was of Ngā Rauru Kiitahi, his mother belonging to the Rangitaawhi Hapū. He married Te Urumanao Ngāpaki Baker, who had whakapapa links to the Ngāti Ruanui, and possibly Te Āti Awa also. Rātana began his spiritual mission during the 1918 influenza epidemic. He claimed that while standing on the veranda of his home at 2pm, on 8 November 1918, three days before the end of the First World War, he saw a small cloud coming in from the sea toward his house. When the cloud 'broke open' he was overwhelmed by a presence and he rushed into the house declaring 'Peace be unto you all, for I am the Holy Spirit that speaks to you all. Straighten yourselves. Repent.' He was told the Holy Spirit was looking for a people through whom God could be truly known and accepted. The Māori people had not forgotten Jehovah and so they had been chosen to become an example to the world if only they would turn from their dependence on tohungaism and Maori gods. Rātana was told to unite the Māori and turn them to Ihoa o nga Mano. He continued his study of the Bible and began one of the most powerful faith healing ministries in New Zealand history. He gained a large following among Māori, becoming known as "Mangai". A splinter group, called the Christian Maramatanga Society, formed in the mid-1920s when they misinterpreted Rātana's call to 'close the Bible' in order to stop fanciful prophecies. Variants of his name include Tahupōtiki Wiremu Rātana, Tahu Pōtiki Wiremu Rātana and T. W. Rātana.
Politics
From 1922 onwards the Rātana movement became increasingly occupied with politics. The movement campaigned for ratification of the Treaty of Waitangi as a "cure-all" for Māori problems and collected 30,000 signatures on a petition calling for this. In 1928 Rātana proclaimed that Rātana candidates would win the four Māori seats in the Parliament of New Zealand, likening them to the four parts of his body, or the Four Quarters, as the seats became known. Eruera Tirikatene arranged a meeting with Michael J. Savage in Parliament on 4 February 1936 at which an alliance with the Labour Party was agreed. Savage's predecessor Harry Holland had been reluctant, because of the animosity between Rātana and the Māori King Movement, especially Princess Te Puea. By 1943, the seats had been won, although Rātana had died in 1939.
Legacy
The Rātana Church remains one of the largest churches in Māori. The political links with the Labour Party remained strong for over 40 years, but were effectively divided by the rise of the Māori Party, which was founded in 2004 and came to power in a confidence and supply agreement after the 2008 election.