Charts where the earliest known Greathead ancestor was born in Durham
- Chart 13: John Greathead
. John Greathead married Ann Whitfield. They rented a farm in Coniscliffe and had five children. One of their grandchildren was Matthew a carpenter who became the oldest known Freemason dying aged 101 - Chart 14: Thomas Greathead
. Thomas Greathead was born about 1570 and lived in Heighington and married Margerye Scarre. They had sons William and Laurence. Many of the early generations lived around Heighington. - Chart 15: Francis Greathead
. Francis a labourer had a son George who married Jane Dobson in Darlington in 1847. They had nine children. Their descendents seem to remain locally