In March 1864, Boyd attempted to travel to England, but she was intercepted by a Union blockade and sent to Canada. where she met Union naval officer Samuel Wylde Hardinge. The two later married in England. and had a daughter named Grace. Boyd became an actress in England after her husband's death to support her daughter. Following the death of her husband in 1866, she and her daughter returned to the United States. Boyd assumed the stage name Nina Benjamin to perform in several cities, eventually ending up in New Orleans where she married John Swainston Hammond in March 1869, a former British Army officer who fought for the Union Army during the Civil War. They had two sons and two daughters; their first son died as an infant. Boyd divorced Hammond in 1884 and married Nathaniel Rue High in 1885. She subsequently began touring the country giving dramatic lectures of her life as a Civil War spy.