Grace O'Malley, born in 1539, was a formidable figure in sixteenth-century Ireland, known as the head of the Ó Máille dynasty. She was the daughter of Eóghan Dubhdara Ó Máille and took over the leadership of her family's lordship upon her father's death. Despite having a brother, Dónal an Phíopa Ó Máille, she commanded both land and sea, establishing herself as a powerful leader.
Her marriage to Dónal an Chogaidh Ó Flaithbheartaigh, known as Donal 'of the war', significantly enhanced her wealth and influence. It is said that she owned as much as one thousand head of cattle and horses, which further solidified her status in the region.
In 1593, when her sons, Tibbot Bourke and Murchadh Ó Flaithbheartaigh, along with her half-brother Dónal an Phíopa, were captured by the English governor of Connacht, Sir Richard Bingham, O'Malley took decisive action. She sailed to England to petition for their release, presenting her case directly to Queen Elizabeth I at Greenwich Palace.
Although O'Malley is not mentioned in the Irish annals, her life is documented through English sources, including the eighteen 'Articles of Interrogatory' prepared for her by Elizabeth I. In Irish folklore, she is celebrated as Gráinne Mhaol, or Granuaile, and remains a prominent historical figure, often referred to as 'The Pirate Queen'.