YEARSLEY, John, of Middlewich, in Cheshire, England, came to Pennsylvania in 1700, and settled in Thornbury, where he died in 1708.  His wife's name was Elizabeth and they had children - Elizabeth m 12-18-1701, to Moses Key; John; Ann, m  Jacob Vernon, 1701; Sarah, b. 5-28-1690 d. 6-9-1690' Hannah b. 3-22-1693. ,/ 1-131-1717/18 to  Peter Hatton; Martha b/ 4-14-1697, m. John Palmer, Jr 9-4-1714.
     John Yearsley, Jr m. in 1710, Sarah Conway, dau of Thomas and Mary of New Castle County, and had children - Isaac, m. Phebe Heald; Elizabeth m. to John Heald; Jacob m. to Susanna Chamberlain; Mary m to Joseph Williamson; Thomas m. to Hannah Mercer; Nathan m to Susanna Wright.
    John, the father, died 1748 and his son Thomas in 1770;  Isaac, son of Thomas, married Mary Davis 11-11-1784 and settled after a time in West Caln twp.  He had children - James, Isaac, Thomas, Mary, John, Nathan, and perhaps others.