In 1765 Francis Brooke married Hannah Prittie, sister of the 1st Lord Dunalley. Their son Henry was created a baronet in 1822. At the time of Griffith's Valuation Sir Henry Brooke Baronet of Cole Brooke, county Fermanagh, held land in the parishes of Castletownarra and Youghalarra, barony of Owney and Arra, county Tipperary. In the 1870s Lady Brooke of Youghal, Nenagh, owned 901 acres in county Tipperary.
Public Record Office, Northern Ireland:
Brookeborough (Colebrooke Estate Office) papers, include 2 title deeds re Lord Ranelagh's estate at Rathurles etc, near Nenagh, Co Tipperary dated 1755 & 1758, 1713-1951. D998