Lady Elizabeth FitzGerald, Countess of Kildare, was an Anglo-Irish noblewoman, the second wife of Gerald FitzGerald, 9th Earl of Kildare. Her father was Thomas Grey, 1st Marquess of Dorset. Her mother, Cecily, was the wealthiest heiress in England after succeeding to the title of suo jure 7th Baroness Harington of Aldingham and then the title of suo jure 2nd Baroness Bonville.

Gerard FitzGerald, 9th Earl of Kildare, was a leading figure in 16th-century Irish History. In 1513 he inherited the title of Earl of Kildare and position of Lord Deputy of Ireland from his father.