1137. Intention to Marry, John Dennis and Mary Slater, Minutes of the Kennett Monthly Meeting of Friends, Chester County, Pennsylvania, 6 Aug 1742. (Images: Ancestry.com. Image on file.)

1321. Marriage, John Dennis and Mary Slater, Kennett Monthly Meeting of Friends, Chester County, Pennsylvania, 14 Jul 1742. Pennsylvania Marriages 1718–1821, Philadelphia Yearly Meeting Minutes. Call Number MR-PH 265. Quaker Meeting Records, Friends Historical Library, Swarthmore College, Swarthmore, Pennsylvania. (Images: Ancestry.com. Image on file.)