She was a firm adherent of the established religious forms: spiritual sister and participator in the benefits of prayers and masses at the great Benedictine houses of Durham, Westminster, Crowland and Thorney, and benefactress of the conventual Franciscans and Dominicans. She was also the friend of the Carthusians and Friars Observant who were active in encouraging the growth of personal devotion to Christ among the laity. Margaret was conscious of the need to develop her own spirituality and at the same time to communicate to society around her the richness of the Church's traditional devotion and worship, especially in the sacrament of communion. She translated from French to English the fourth book of the Imitation of Christ, which centres on the need for taking this sacrament frequently and for sincere penitence. . . . [emphasis added: all these would be destroyed, and of course the Carthusians and Observant Franciscans would suffer greatly]
Michael Jones emphasizes that Beaufort worked with Bishop John Fisher to improve the quality of Catholic preaching and teaching:
Bishop John Fisher preached his patron's funeral sermon:
Her tomb is in Westminster Abbey.