The Hesketh Family Pedigree of The Hesketh Family of Martholme, and Rufford Hall owners of much of Great Harwood for 500 years. Images of the ancient Hesketh Roll, transcription of the roll, notes from The Historic Society of Lancashire and Cheshire, 1910. Also Pedigrees of different Lancashire branches of the family from the Visitations of 1613 and 1664.

The Lomax Family Beginning with purchases in the 1770s by the late 19th century the family owned almost all of Great Harwood.

John Mercer F.R.S. F.C.S. M.Ph.S. The Family Tree of John Mercer, Great Harwood's most famous son. Chemist and experimenter with dyes who is best known for the process of Mercerization by which strong, smooth, shiny cotton is produced. By H.E. Eaton from the Parish Records of Great Harwood.