Career
Pereira was a servant in Santiago de Compostela and Baiona before traveling to Madrid. In the capital, after working as a servant, she joined the community carmelita of Alcalá de Henares. With important ecclesiastical and economic support, she returned to Santiago and, there, after surpassing the reticencias of the Archbishop,opened a new order of closure, begin the works that started her convent, which was directed by the carmelitas José of the Saints and José of the Saint Spirit.
Much of her work was conserved in the convent.
In 1761, Pereira"s canonization started but halted temporary in 1770. On 25 January 1993, by the authority of the then archbishop compostelano, Cardinal Antonio María Ronco Varela restarted the canonization process, concluding it on 14 June 1996, and submitting it to theCongregation for the Causes of the Saints on 25 July 1999.
In 2007, the canonization received the approval of the Historical Commission (Positio) and Pereira received the title of Sierva of God.