Harold Frederic was born on August 19, 1856 in Utica, New York, USA. He was a writer, known for Copperhead (2013). He was married to Grace Green Williams. He died on October 19, 1898 in Hornby, England, UK.
Sometime between 1889 and 1890, he met Kate Lyon, who became his mistress. Frederic and Lyon established a second household, living openly together; they had three children.