Definition of "Thirkleby"

The twin villages of Great Thirkleby and Little Thirkleby in Thirkleby High and Low with Osgodby parish, Hambleton district, North Yorkshire, England (OS grid ref SE4778).  examples

A hamlet centred on Thirkleby Manor in Kirby Grindalythe parish, Ryedale district, North Yorkshire (OS grid ref SE9268).  examples