I know it has been years but
You need to check worldconnect.rootsweb Project Epsom History, link though the Epson,NH town site. Some 223 Fifes
I was able to connect from both ends with data that had been handed down to me.
Right to my ggrandfather Edward H. Fife.
I too am of the William line.
Jane Garvin and Phebe White have been dead ends for me.