Along with another parliamentarian Sir Anthony Morgan, Sir Thomas was implicated in the notorious Blood plot of 1663, in which Thomas Blood had planned to kidnap the Duke of Ormond, the Lord Lieutenant of Ireland, from Dublin Castle. Sir Thomas and Sir Anthony wrote "obsequious letters" to Ormond proclaiming their innocence and devotion to him.[1]
Burke, Sir Bernard (1884), The General Armory of England, Scotland, Ireland, and Wales. Comprising a registry of Armorial Bearing from the earliest to the present time., London: Harrison, p. 963
Old Dublin Society (1945), Dublin Historical Record, vol. 7–9, The Old Dublin Society, p. 67