 He retained the office until 1572, concluding his tenure with the pursuit of the rebels, led by Fiach McHugh O'Byrne, who had murdered his son-in-law Robert Browne.White established his estate at White's Hall, near Knocktopher, County Kilkenny, and also acquired Dunbrody Abbey, County Wexford, and the Castle and St Catherine's Priory at Leixlip, County Kildare.On the recommendation of the Lord Deputy, William Fitzwilliam, White was appointed Master of the Rolls in Ireland on 14 July 1572.