We are interested in determining relationships for all families of the name Jayne and all variants (such as Jane, Janes, and Jean). The Jane surname is found as early as 1290 in Cornwall, Worchester, and Gloucester, England. It is not uncommon, especially in the US, to find that the surname morphed into Jean. A prime example of this is John Jane of Charles City County, VA. The courts recorded his surname as Jane and Jean. Among the thousands of John's descendants today, you will find the spelling Jean, Jane, Janes, Jayne, Jaynes, Gean, whereas the descendants of William Jayne of NY and William Janes of New Haven, CT, the spelling has mostly been unchanged.