1) There seems to be some uncertainty about the exact meaning of this word which has been said to be a kind of ‘knobbed’ andiron or one of the irons on which a spit turns (OED).
1451 Item j cobyryn, York
1485 j cobiren iiijd, Ripon
1554 vj spyttes ij payre of cobyrons one payre of tonges, South Cave
1577 one spytt & one payre of cobyrones 2s 6d, Abbotside
1581 1 rekyne, 1 payre of cobbyerns, Anston. In 1570 William Cobyron scotus was buried in Sheffield
his name is likely to have been Cockburn, pronounced Coburn.