Mark Carleton and family came from Ireland bringing a certificate from Friends of Mountmellick, dated 4-3-1711.  In 1713 his widow, Susannah, married Richard Parks, who settled in Goshen.

Thomas Carleton, son of Mark and Susanna, was born at Ballyhakin, near Edenderry 9-18-1699, and in 1720 settled in Kennet, Chester Co., where he married 3-20-1730. Hannah Roberts, widow or Robert and daughter of William Howell, of Haverford.  She was born 5-17-1689. and died 5-6-1758.  Thomas died 9-30-1792.  He and his wife were active members of Kennet Meeting and both ministers.  Their children were Susanna, who married Michael Harlan and Thomas, b. 8-21-1732, d. 6-26-1803, who married 10-26-1757, Lydia Gregg, dau of Thomas and Dinah.  They had children - Hannah)married Wm Passmore), Dinah, Martha, Mark, Sarah, Samuel, Thomas, Lydia (married Abner Mendenhall), Thomas and Caleb.