The Gigginstown herd is being driven by two things; purchasing of top-quality foundation stock and the entrepreneurial herd owner and Ryanair chief executive Michael O’Leary. Three years after being promoted to chief executive of Ryanair, O’Leary took on duplicating the low-cost model run by the airline to a farming setup. So some 20 years ago, the Gigginstown Angus herd prefix was born.