Mary de Vere was an English noblewoman born around 1555. She was the daughter of Edward de Vere, the 17th Earl of Oxford, and Anne Cecil, the daughter of William Cecil, a prominent statesman. Mary married Henry Bourchier, the 2nd Earl of Bath, and they had several children together. Mary de Vere is often noted for her connections to the Elizabethan court and her family's influence during the reign of Queen Elizabeth I. Her lineage ties her to significant historical figures, making her a notable figure in the context of English nobility and the political landscape of the time.