Odette was born to Augusto Cardoso Ferreira and Alice Vidal, who were both Portuguese immigrants.

Her father died before her birth and her mother remarried to a wealthy merchant, Francisco de Oliveira, who raised her as his own child.

[3] She loved lilies, prayed the rosary daily and thought that Saint Joseph did not receive enough honor for his support of Mary and Jesus.

[1] The Roman Catholic diocese in Rio de Janeiro, Brazil, is seeking to have the girl beatified.

On November 25, 2021, during an audience granted to the Prefect of the Congregation for the Causes of Saints, Pope Francis authorised the promulgation of the decree recognising the heroic virtue of Odette Vidal de Oliveira.