Thomas Mercer, from "Ayon-on-the-Hill", in the county of Northampton, with Mary, his wife, were settlers in Westtown, where he died about 1716.  His widow died in 1723.  Their children, so far as known, were Thomas b 1694, m. Hannah Taylor in 1710; Mary, m. William Pennell 8-26-1710;  Elizabeth, m. To Joseph Woodward, 1712; Ann, m to Joshua Peirce 8-28-1713; Joseph m. Ann Wickersham, 1719.

Joseph settled in East Marlborough, and had children - Mary, Ann, Richard, Hannah, Rachel and Joseph.

Daniel, son of Thomas, of Thornbury, married Rebecca, daughter of John Townsend, and settled in East Marlborough.  He died 6-25-1807, aged 92, and his wife 10-13-1729, aged 82.  Their children were Solomon b. 10-30-1736; Rebecca b. 10-1-1738; Jesse b. 7-23-1740 d. 6-3-1763; David b. 6-23-1742; Daniel b. 3-20-1747; Phebe b. 8-11-1750.