Your message intrigued me. I don't have any firm leads for you, but I can give you some brief information concerning the Amerine family.John Henry Amerine's family was living in Bedford Co., PA by the 1760's.His oldest son was George Amerine (b. abt. 1759) who served in the Revolutionary War. George is the only Amerine who went south to Sevier Co., TN area by 1790's.The rest of his brothers went to Belmont Co., OH and then farther into OH. One of George Amerine's neighbors in Sevier Co., TN was Isham Gwin. I was reading a few other messages that think your Milley Lemley may have been the daughter of a John Gwin. George's wife, Christina (Uknown), appears in Knox Co., TN court records dated 1793. George named one of his sons "Isham", this name doesn't come from the Amerine family, possiblily connected to Isham Gwin. George Amerine is found in 1830 in McMinn Co., TN as 70-80 with one female 70-80. I don't have any information on George's wife Christina, or when she died. I haven't done much research yet on this Amerine line so I don't know if there may be clues in deeds, wills, other court records. I do recall that George's descendants show up in TN, KY, AL, MO, TX.
The other intriguing bit of info was "Peter Lemley".Do you know how he ties in with George Lemley and Catharine Yoho family who were from the Greene Co., PA area?