Sir John Falstaff did not exist in history. He is a pure invention of William Shakespeare, though the Bard didn’t start from scratch. He leaned heavily on a real, albeit notorious, figure: Sir John Oldcastle. Oldcastle was a soldier and the martyred leader of the Lollard sect in the early 15th century. The connection was clear. Too clear for some tastes.
Shakespeare originally wrote the character as Sir John Oldcastle in the first draft of Henry IV, Part 1. This was around 1596 or 1597. The play wasn’t just a play; it was a ticking time bomb. Oldcastle’s descendants held significant power at the royal court. They noticed the name change. And they protested. Loudly.
So Shakespeare blinked. Before the play was officially registered, he swapped the name. The new choice? Sir John Falstaff. Why that specific name? It wasn’t random. It carried echoes of Sir John Fastolf. Fastolf was a cowardly knight Shakespeare had already put on stage in Henry VI, Part 1. The linguistic link was subtle but deliberate. A nod to an earlier failure, masked by a new name.
The name change wasn’t just a courtesy; it was a survival tactic for the production.
This pivot highlights how fragile early modern theater could be. You could write a hit, but if the wrong noble family felt disrespected, the script had to change. Oldcastle remained a martyr to his followers. To the court, he was a sensitive reputation. Falstaff became a legend of gluttony and wit, but the shadow of the real man lingered in the character’s bones.
Why stick with the cowardly knight reference? Maybe Shakespeare liked the irony. Taking a name associated with cowardice and attaching it to a character who, while flawed, possesses a certain robust vitality. It’s a literary sleight of hand.
The result is one of literature’s most enduring figures. But the origin story is less about creative genius and more about political pressure. The name Oldcastle was too hot to handle. Falstaff was cooler. Safer. And infinitely more entertaining.
Does the name matter? Or does the character stand on his own two feet, drinking sack and dodging combat? The history books say the name was a compromise. The stage says it worked.


















