Sir John Oldcastle of Martyrs". Oldcastle was also a minor character in the early Elizabethan history play the "Famous Victories of Henry V" (c. 1586?), which is generally thought to have been one of Shakespeare's sources for his plays on Henry IV and Henry V. The genesis of "Sir John Oldcastle" is crucially linked to the fact that when Shakespeare's "Henry IV" plays premiered on stage in 1597–98, the character Sir John Falstaff was called Sir John Oldcastle. This is indicated by abundant external and internal evidence. The change of names, from "Oldcastle" to "Falstaff," is mentioned in seventeenth-century works by Richard James
Oldcastle, County Meath a bed-manufacturing industry including firms such as Gleneagle Woodcrafts, Briody Bedding and Respa Bedding which are a major source of employment for the area. There are the engineering firms located in the parish of Moylagh, County Meath, approximately from the town. These industries have attracted many immigrants to the area for work, mainly from Lithuania, Latvia, Russia, and Poland. In 2010, a Head shop, since closed, opened up in Oldcastle on the Mountnugent road, across from the Oldcastle House Hotel. Local citizens of Oldcastle protested against the store when it opened. Tourism is important to Oldcastle. The town is located