List of Earls of Castlehaven, in the Peerage of Ireland
- George Tuchet, 1st Earl of Castlehaven
:created Earl of Castlehaven on 6 September 1616
:died 20 February 1616/7.
- Mervyn Tuchet, otherwise Audley, 2nd Earl of Castlehaven
:succeeded his father 20 February 1616/7
:attainted and executed 14 May 1631.
- James Tuchet, 3rd Earl of Castlehaven
:succeeded his father 14 May 1631
:died sine prole 11 October 1686.
- Mervyn Tuchet, 4th Earl of Castlehaven
:succeeded his brother 11 October 1686
: died 2 November 1686.
- James Tuchet, 5th Earl of Castlehaven
:succeeded his father 2 November 1686
:died 9 August 1700.
- James Tuchet, 6th Earl of Castlehaven
:succeeded his father 9 August 1700
:died 12 October 1740
- James Tuchet, 7th Earl of Castlehaven
:succeeded his father 12 October 1740
:died 6 May 1769.
- John Tuchet, 8th Earl of Castlehaven succeeded his brother 6 May 1769
:died 22 April 1777, at which time the Earldom of Castlehaven and the Barony of Audley of Hely became extinct. The Barony of Audley created by writ of 1312 is deemed to have devolved upon his nephew, son of his sister Elizabeth, namely George Thicknesse, later Thicknesse-Touchet.
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