On July 12, 1691, a Williamite cannonball ended more than a battle. It ended a thousand years of Gaelic sovereignty, though the family whose name the ground already carried would not surrender easily, and would not surrender in silence.

The Ruins of Eachroim Uí Cheallaigh traces the O'Kelly lordship of Uí Maine across fifteen centuries ? from a legendary migration out of fourth-century Ulster, through a chieftain's dying vow at Clontarf, through a fourteenth-century feast so lavish it gave the Irish language a proverb for hospitality, to the catastrophic afternoon at Aughrim when four hundred kinsmen fell defending ground that Gaelic tradition had long called simply "O'Kelly's." It follows Colonel Charles O'Kelly, a Jesuit-educated soldier-scholar who survived the slaughter and answered it not with silence but with Macariae Excidium ? a secret history of the war disguised as classical epic, written to ensure the dead would be remembered as tragedy rather than footnote.

And it follows what came after: confiscation, conformity, a forced sale to a stranger's fortune from the Australian goldfields, and finally, exile ? Irish blood carrying an ancient name into the courts and universities of continental Europe, long after the ancestral castle became, of all things, an agricultural college.

A sweeping history of dynasty, defeat, and the stubborn work of memory.