Philadelphia Architect Samuel Sloan and his crew had been working on the house for about 18 months when the Civil War broke out in 1861. They all immediately headed back north in order to join the Union war efforts, consequently, putting Longwood's construction on hold.
Nutt moved his family into the finished basement floor of the home and awaited the war's end. Though Nutt was a southern plantation owner, like many plantation owners, he was a Union sympathizer since much of the business tended to come from the North. He was given protection papers, stating that his property would not be harmed during the period of combat, but unfortunately, that agreement was not honored by the Union soldiers. Nutt's cotton fields were burned and much of his equipment destroyed.
Since he lost the majority of his fortune in the war, some believe that his death in 1864 due to pneumonia, was actually because of a broken heart since he would never be able to complete his dream home. For this reason the Natchez locals refer to Longwood as Nutt's Folly.