Hildegarde Hawthorne (September 25, 1871 – December 10, 1952) was an American writer of supernatural and ghost stories, a poet and biographer. Born on September 25, 1871, in New York City, Hildegarde Hawthorne was the granddaughter of Nathaniel Hawthorne (1804–1864) and eldest child of Julian Hawthorne (1846–1934) and Minnie Amelung Hawthorne. She lived in Germany, England, and Jamaica as a child.
