Examples from the Web for northumbrian
This Northumbrian burr is the strongest accent in the House; even the broadest Scotch is less difficult to catch.Sketches In The House (1893)|T. P. O'Connor
The second memorable man was born a cowherd; encouraged to sing his songs by the abbess Hilda, a "Northumbrian Deborah."Beacon Lights of History, Volume VIII|John Lord
Thus, S. Cuthbert, though of noble race, kept sheep on the Northumbrian moors.The Lives of the Saints, Volume 1 (of 16)|Sabine Baring-Gould
But there it is appended to the genealogy of the Northumbrian kings.
In the eighth century Alcuin, the Northumbrian, quotes Ingeld as the typical hero of song.