Try Cumberland Co. Hist. Soc. for Louden/Loudon/Lowden info.A Sarah Loudon, d/o Archibald Loudon & Mary Carson marr. Charles Ford 10 Mar 1836 in CarlislePA. On 4 Aug 1784, Capt. John Lowden's Co. of Northumberland Vol. marched to supress Indian Riots of Wyoming Co. (then part of Luzerne Co., PA.) I hope this gives you a lead.