Does any one have any more info on this family?

James McCafferty B. 1786,Londonderry, Ireland; d. Butler Co., PA 15-Jun-1846
Wife: Hannah Cromwell (b.1797, Londonderry, Ireland; d.9/17/1881 Butler Co., PA)11 children.
Son: James Robert McCafferty (b.1/22/1824 Ekastown, Butler Co., PA
James Robert McCafferty married Martha Jane LOVE b.13 Oct 1829 (parents Robert LOVE (1801-1882) & Sarah A. Holstein (1807-1895) Daughter: Nannie Belle McCafferty m. Harry Samuel Ehrman (I have from here to present - it is prior to 1786 that I don't have). Thanks for any help.