Roman Catholic Diocese of Santíssima Conceição do Araguaia

History

• Established on July 18, 1911 as Territorial Prelature of Conceição do Araguaia, on territory split off from the Roman Catholic Archdiocese of Belém do Pará
• Lost territory twice : to establish the Territorial Prelature of Xingu on 16 August 17934 and again to establish the Territorial Prelature of São Félix on 13 May 1969
• December 20, 1969: Suppressed, losing its territory to the Territorial Prelature of Marabá
• March 27, 1976: Restored as Territorial Prelature of Santíssima Conceição do Araguaia from the Territorial Prelature of Cristalândia and Territorial Prelature of Marabá
• October 16, 1979: Promoted as Diocese of Santíssima Conceição do Araguaia

  Ordinaries

• Bishop-prelate Raymond Dominique Carrerot, Dominicans, Titular Bishop of Verinopolis ; later Bishop of Porto Nacional
• Sebastião Tomás, O.P., first as apostolic administrator,
• then as Bishop-Prelate, Titular Bishop of Platæa
• Bishop Estêvão Cardoso de Avellar, O.P.
• Bishop Luís António Palha Teixeira, O.P., first as Apostolic Administrator
• then as Bishop-prelate, Titular Bishop of Lunda ; later Bishop-Prelate of the then Marabá
• prelature suppressed 1969-1976
• Bishop-prelate Patrício José Hanrahan, Redemptorists

• Patrício José Hanrahan, C.Ss.R.
• Pedro José Conti, later Bishop of Macapá
• Dominique Marie Jean Denis You