Definition of "Hornsby"

A habitational surname from Old Norse.  examples

(location) A suburb of Sydney, New South Wales, Australia.  examples

Hornsby Shire, a local government area in north Sydney, New South Wales.  examples

A town in Hardeman County, Tennessee, United States.  examples

A hamlet in Cumwhitton parish, Carlisle district, Cumbria, England (OS grid ref NY5150).  examples