In June 1534, Thomas FitzGerald, known as 'Silken Thomas,' led a major rebellion in Leinster against King Henry VIII after hearing rumors that his father had been executed. FitzGerald's revolt, which began with a dramatic renunciation of his allegiance at St. Mary's Abbey in Dublin, was ultimately crushed by English forces. The failure of the uprising led to the end of the FitzGerald family's hereditary viceroyalty and ushered in the Tudor conquest of Ireland.

The Silken Thomas rebellion captured the imagination of later Irish poets and balladeers, who romanticized his doomed stand against English tyranny. His story, blending aristocratic pride with nationalist defiance, provided a template for the tragic hero in Irish verse. The rebellion's failure and FitzGerald's execution at Tyburn became powerful symbols of Irish resistance and sacrifice.