surname, attested from late 13c. (Gilbert Kelehog), literally "kill hog," a name for a butcher (compare kill-buck, a medieval surname, also noted as a term of contempt for a butcher). The U.S. cereal company began in Battle Creek, Michigan, in 1906, founded by W.K. Kellogg (1860-1951), business manager of the Battle Creek Sanatorium, as Battle Creek Toasted Corn Flake Company.