My ancestor, ARTHUR IRWIN, was the father of MARY who married your Samuel Vance 17 Apr 1817. Arthur was b.abt 1776 and he m. ANN MORRISON. They were in Belmont County at time of 1820 census, purchased land in MUSKINGUM CO., OH in 1828 and his will was probated in KNOX CO., OH in 1841. Children (all probably born in Belmont Co.) were MARGARET JANE (b. abt 1806, d. 1836 Delaware Co., OH, m. ROBERT FARIS); ELIZA (b. abt 1807); RACHEL (b. abt 1810, m. POLLACH/PALLACH/POLLACH); MARTHA (b. abt 1811, m. LEE); ARTHUR (JR.) [my line] (b. 1812, d. 1860 Gallatin Co., IL, m. ELIZABETH BYERS or BOWERS); MARY (b. abt 1815, who m. your VANCE);WILLIAM (b. abt 1817); SARAH HART (b. 1818, m. 1836 Delaware Co., OH ADAM FARIS, d. 1891 MO; JOSEPH (b. abt 1821). I would appreciate expanded info on Samuel and Mary's family if you have it.