Charts where the earliest known Greathead ancestor was born in Lancashire
- Chart 17 - Thomas Greathead
. Thomas Greathead born around 1711 married Mary Lee in 1736. They had one son who died in infancy and four daughters. The Greathead line is continued through one of their daughter, Martha's illegitimate son William born 1766. Some of the descendents of this line emigrated to Canada - Chart 18 - George Greathead George Greathead born around 1771 in Deane by Bolton married Mary Taylor and had ten children. Their descendents tended to remain around this area