catholic-hierarchy.orgOsasco (Diocese) [Catholic-Hierarchy]️David M. Cheney15 March 1989ErectedArchdiocese of São Paulo (Osasco, Barueri, Carapicuíba, Cotia, Itapeví, Ibiúna, Jandira, Mairinque, São Roque, and Vargem Grande Paulista along with San Antonio (in Lapa)) Diocese of Osasco (erected)