My ancestors were born in Londonderry, Derry Co., Ireland as follows: William (1805) m. Margaret Gibson (b. 1805 or 1815) >> David(b. 1839), Thomas (b. 1840), William (b.1845), Joseph(b.1847), Isabelle(b.1849), James (b. 1852 in Lawrence Co., PA, USA), Samuel(b.1856 in Lawrence Co., PA, USA). I would love to know if there is any relation. Hope to hear from you soon.