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When did William Herschel marry Mary Pitt?
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William Herschel
Sir William Herschel, detail of an oil painting by L. Abbott, 1785; in the National Portrait Gallery, London.
William Herschel married Mary Pitt on May 8, 1788.1
Mary Pitt was the widow of John Pitt, a friend and neighbor of Herschel who had passed away in 1786. Following their marriage, the couple made Observatory House in Slough their principal home, where Herschel continued his pioneering work in astronomy with the support of his sister, Caroline Herschel.1