Born: August 8, 1837, near Marion, Wayne County, New York.
Died: January 30, 1932, Watertown, Massachusetts.
Buried: Riverside Cemetery, Augusta Maine.
Seth was the son of Luther and Angelina Beach, and husband of Frances Judd.
He attended Antioch and Union Colleges, and graduated from Harvard Divinity School in 1866.
He served pastorates in Augusta, Maine; Dedham, Massachusetts; Bangor, Maine; and Wayland, Massachusetts.