1) A shoeing smith who also had the care of horses, a horse doctor.
1489 Ricardus Wilson, horse marshall alias ferrour, York
1498 Willelmus Ynchbald, blaksmyth & horsmarshall, York
1510 John Huchinson, Horsemachell, York
1616 Roger Wodd smith and horse marshall, hwho [sic] directed how to dresse her sores & left his squyrte, Brandsby