McSorley and MacSorley are surnames in the English language. The names are Anglicised forms of the Irish Mac Somhairle. Found In Donegal, Tyrone and Scotland. More than likely a family of the Cenel Eoghain branch of the Ui Neil. The name is related to the MacDonalds in Scotland and Ireland.
People with the surnames
References
McSorley Wikipedia(Text) CC BY-SA