I have Chapmans in my family tree as follows.
Robert Chapman born 1759 Seaton Ross, married to Ann Watson born 1763 Seaton Ross, died 19th Dec 1812Seaton Ross, Date of marriage 22 Nov 1784 at Seaton Ross.
Robert Chapman born 10th Aug 1787 Seaton Ross, Married to Elizabeth Stubins or Stubbings, born 6th Dec 1879, Seaton Ross.
Ann Chapman born 20th Feb 1814 at Seaton Ross Hall, Death date 1899 at Holme On Spalding Moor. She married Thomas Falkingham, born 2nd Dec 1808 at Holme On Spalding Moor, Death date 17th June 1886 at Holme On Spalding Moor,
Their marriage date was the 1st July1839 at Holme On Spalding Moor.
Hope this helps you. Regards, Keith.