Marquess of Northampton is a title that has been created twice, firstly in the Peerage of England (1547), then secondly in the Peerage of the United Kingdom (1812). The current holder of this title is Spencer Compton, 7th Marquess of Northampton.

Catherine Parr was Queen of England and Ireland as the last of the six wives of King Henry VIII from their marriage on 12 July 1543 until Henry's death on 28 January 1547. Catherine was the final queen consort of the House of Tudor, and outlived Henry by a year and eight months. With four husbands, she is the most-married English queen. She was the first woman to publish in print an original work under her own name, in English, in England.