Jennet Leckonby must be one of the Leckonbys of Leckonby Hall, Great Eccleston, Lancashire. They were an old recusant family. The last of them, Mary Michael Joseph Leckonby (1777-1835), married Thomas Henry Hele Phipps in 1799.
Her parents were William Leckonby (d.1782) and Elizabeth Taylor.
William Leckonby's parents were Richard Leckonby (1715-1783) and Mary Hathornthwaite.
Richard Leckonby's parents were William Leckonby (c.1667-1728) and Ann Hothersall (the last of the Hothersalls of Hothersall). A web-site with details of the Hothersall family is www.hothersallhall.fsnet.co.uk/history.htm.
William Leckonby's parents were Richard Leckonby and Ann Hesketh, daughter of William Hesketh of Maynes and Perpetua Westby.
Richard Leckonby's parents were Richard Leckonby (d.1669) and Isabel.
Richard Leckonby's parents were John Leckonby (d. aft. 28 December 1650) and Alice Singleton, daughter of Thomas Singleton of Staining Hall and Cicely Gerard.