Thomas Edgar/Edger-Isabella Richardson of Allendale

Looking for help with Thomas Edgar/Edger and wife (Married-1/3/1794) Isabella Richardson...Any records out there?..I have their children as William 6/8/1794-Thomas 9/7/1796-John 8/26/1798-Thomas 2/3/1802-Hannah 9/6/1804-Ann 7/3/1806-Mary 2/27/1809-Isabella 10/15/1811-and David 2/27/1817....I am also interested in ANY information on William Edger married to Hannah McMillian...The William above was born 1794 and I thought my William was born in 1801..My William immigrated to America with his wife Hannah McMillian to Steuben County NY..Is this the same William?...Both seem to be married to a Hannah McMillian..The first William lived in Slaghill, Allendale, Northumberland England and his wife Hannah was the daughter of Robert McMillian of Durtpot, Allendale.Any help would be appreciated...