If you're looking for parents of Isaac Coghlan (father of James Coghlan), we have family records showing them to be:
James Coghlan, b. York County, PA 4/30/1773
d. 5/12/1855
Margaret (Peggy) Watson, b. (TN?) 10/10/1782
d. 2/7/1850
Would love to know if you can dig up any further info on these two.