A good source for Tillbury's in Luzerne County is the Harvey Book by Oscar Jewell Havey. I also descend from the Tillbury's. My 4 great grandmother was Elizabeth Tillbury. The name originally came from the immigrant Jan Van Theunissen, in 1652/55 to New York . They were from Holland and the named was changed to Van (meaning from) and Tillbury (was the town they were from in Holland) They were in New York and then in New Jersey where they are in the Sussex, Walpack, Dutch Ref. Church. They were in Luzerne County during the Rev. War. donna