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Sister M. Martin de Porres (Patricia Muriel Rita Francis) Grey, the first black woman admitted into the independent branch of the Religious Sisters of Mercy in Pittsburgh. She organized the National Black Sisters' Conference in 1968 following her exclusion from the Black Catholic Clergy Caucus. Grey led the NBSC until her departure from religious life in 1974. (Provided by Shannen Dee Williams)
Sister M. Martin de Porres (Patricia Muriel Rita Francis) Grey, the first black woman admitted into the independent branch of the Religious Sisters of Mercy in Pittsburgh