c1777  (1955)  My next Station was to Work in the Stage as Header for 2 or 3 weeks.
1818  Each salting-house is provided with one or more tables, around which are placed wooden chairs and leathern aprons, for the cut-throats, headers, and splitters.
1965  He then pushes the fish over to the 'header.' The header, wearing a 'headin' palm' (pam), grasps the fish by the dangling head, pulls out the liver and throws it in the bucket at his feet, and then bending the head against the edge of the table, he rips it off and casts it on the pile on the wharf.