Short answers, pulled from the story.
No definitive answer has been established after more than 150 years of scholarly debate. Shakespeare and his immediate family were officially members of the Church of England, but many scholars have argued for Catholic sympathies based on family connections, property purchases, and textual evidence in his plays.
Key evidence includes a tract professing Catholicism attributed to his father John Shakespeare, found in the eighteenth century in the rafters of the family home; the strong Catholic affiliations of four of his six grammar school teachers; his purchase of the Blackfriars Gatehouse, a known site of Jesuit activity; and around forty verbal correspondences between his plays and the 1582 Rheims New Testament.
Shakespeare's will opens by commending his soul to God "hoping and assuredly believing, through the only merits of Jesus Christ my Saviour, to be made partaker of life everlasting." Historian David Kastan cautions that this phrasing was formulaic in 1616 and may carry little theological import.
Several family members have been linked to Catholicism. His mother Mary Arden came from a conspicuously Catholic family in Warwickshire. His daughter Susanna failed to take Anglican Holy Communion in 1606. As of 2024, new research has attributed a Borromeo-linked Catholic testament, once thought to be John Shakespeare's, to Shakespeare's sister Joan, who lived from 1569 to 1646.
Shakespeare purchased the Blackfriars Gatehouse in London, a property that had remained in Catholic hands since the Reformation and was notorious for Jesuit activity and priest holes. He arranged for his tenant John Robinson to remain there after Robinson's brother Edward entered the English College seminary in Rome. Samuel Schoenbaum concluded the purchase was purely a financial investment.
William John Birch proposed in 1848 that Shakespeare may have been an atheist based on sentiments in his works, but the theory was rejected by other scholars and dismissed by his contemporary H. H. Furness as a "rare tissue of perverted ingenuity." Herbert Thurston, writing in 1912, also pondered whether Shakespeare was infected with the atheism that was reportedly widespread in educated Elizabethan society.