On 23 May 1770 Catherine Compton Countess Egmont (age 38) was created 1st Baroness Arden of Lohort Castle in County Cork.

On 11 Jun 1784 Catherine Compton Countess Egmont (age 53) died at Langley, Buckinghamshire. Her son Charles George Perceval 1st and 2nd Baron Arden (age 27) succeeded 2nd Baron Arden of Lohort Castle in County Cork.

On 05 Jul 1840 Charles George Perceval 1st and 2nd Baron Arden (age 83) died at St James's Palace [Map]. His son George Perceval 6th Earl Egmont (age 46) succeeded 3rd Baron Arden of Lohort Castle in County Cork, 2nd Baron Arden of Arden in Warwickshire.

On 02 Aug 1874 George Perceval 6th Earl Egmont (age 80) died. His nephew Charles George Perceval 7th Earl Egmont (age 29) succeeded 7th Earl Egmont, 7th Viscount Perceval of Kanturk in County Cork, 7th Baron Perceval of Burton in County Cork, 4th Baron Arden of Lohort Castle in County Cork, 3rd Baron Arden of Arden in Warwickshire, 11th Baronet Perceval of Kanturk in County Cork, 6th Baron Lovel and Holland of Enmore in Somerset.

On 05 Sep 1897 Charles George Perceval 7th Earl Egmont (age 52) died. His first cousin once removed Augustus Perceval 8th Earl Egmont (age 41) succeeded 8th Earl Egmont, 8th Viscount Perceval of Kanturk in County Cork, 8th Baron Perceval of Burton in County Cork, 8th Viscount Perceval of Kanturk in County Cork, 8th Baron Perceval of Burton in County Cork, 5th Baron Arden of Lohort Castle in County Cork, 4th Baron Arden of Arden in Warwickshire, 12th Baronet Perceval of Kanturk in County Cork, 7th Baron Lovel and Holland of Enmore in Somerset.

In 1910 Augustus Perceval 8th Earl Egmont (age 54) died. His brother Charles Perceval 9th Earl Egmont (age 52) succeeded 9th Earl Egmont, 9th Viscount Perceval of Kanturk in County Cork, 9th Baron Perceval of Burton in County Cork, 9th Viscount Perceval of Kanturk in County Cork, 9th Baron Perceval of Burton in County Cork, 6th Baron Arden of Lohort Castle in County Cork, 5th Baron Arden of Arden in Warwickshire, 8th Baron Lovel and Holland of Enmore in Somerset.

On 10 Jan 1929 Charles Perceval 9th Earl Egmont (age 71) died. His third cousin Frederick Joseph Trevelyan Perceval 10th Earl Egmont (age 55) succeeded 10th Earl Egmont, 10th Viscount Perceval of Kanturk in County Cork, 10th Baron Perceval of Burton in County Cork, 10th Viscount Perceval of Kanturk in County Cork, 10th Baron Perceval of Burton in County Cork, 7th Baron Arden of Lohort Castle in County Cork, 6th Baron Arden of Arden in Warwickshire, 13th Baronet Perceval of Kanturk in County Cork, 9th Baron Lovel and Holland of Enmore in Somerset.

On 16 May 1932 Frederick Joseph Trevelyan Perceval 10th Earl Egmont (age 59) died. His son Frederick George Moore Perceval 11th Earl Egmont (age 18) succeeded 11th Earl Egmont, 11th Viscount Perceval of Kanturk in County Cork, 11th Baron Perceval of Burton in County Cork, 8th Baron Arden of Lohort Castle in County Cork, 7th Baron Arden of Arden in Warwickshire, 14th Baronet Perceval of Kanturk in County Cork, 10th Baron Lovel and Holland of Enmore in Somerset.

On 10 Dec 2001 Frederick George Moore Perceval 11th Earl Egmont (age 87) died. His son Thomas Perceval 12th Earl of Egmont (age 67) succeeded 12th Earl Egmont, 12th Viscount Perceval of Kanturk in County Cork, 12th Baron Perceval of Burton in County Cork, 9th Baron Arden of Lohort Castle in County Cork, 8th Baron Arden of Arden in Warwickshire, 15th Baronet Perceval of Kanturk in County Cork, 11th Baron Lovel and Holland of Enmore in Somerset.

On 06 Nov 2011 Thomas Perceval 12th Earl of Egmont (age 77) died. Earl Egmont, Viscount Perceval of Kanturk in County Cork, Baron Perceval of Burton in County Cork, Baron Arden of Lohort Castle in County Cork, Baron Arden of Arden in Warwickshire, Baronet Perceval of Kanturk in County Cork, Baron Lovel and Holland of Enmore in Somerset extinct.