Son of Ezekiel Lockwood and Sarah Bemis.
Hoyt and his brother Dexter served with the 16th Vermont Volunteers during the Civil War. They were Privates in Company K, enlisted on September 15, 1862, and mustered out on August 10 1863.
Hoyt married Lizzie Hubbard. Their children include:
- Neta Catherine, born October 14, 1893
Lizzie Hubbard Lockwood