looking to Denning and all variants I am doing all DENNNINGs who came to mass.and there were a large bunch for this name. They centered on Chelsea,Ma. now i have 3000 looking for a source.I know they came from Longford,Lietrim,Meath,West Meath,Sligo,and Rosscommon. That center band across Ireland.If you have any lets see if we connect Jim Denning