In 1710 Archibald Kennedy 1st Baronet (age 74) died. His son John Kennedy 2nd Baronet succeeded 2nd Baronet Kennedy of Culzean in Ayrshire.

In Jul 1742 John Kennedy 2nd Baronet died. His son John Kennedy 3rd Baronet succeeded 3rd Baronet Kennedy of Culzean in Ayrshire.

On 10 Apr 1744 John Kennedy 3rd Baronet died. His brother Thomas Kennedy 9th Earl Cassilis succeeded 4th Baronet Kennedy of Culzean in Ayrshire.

On 30 Nov 1775 Thomas Kennedy 9th Earl Cassilis died without male issue. His brother David Kennedy 10th Earl Cassilis (age 41) succeeded 10th EarL Cassilis, 5th Baronet Kennedy of Culzean in Ayrshire.

On 18 Dec 1792 David Kennedy 10th Earl Cassilis (age 58) died unmarried. His second cousin once removed Archibald Kennedy 11th Earl Cassilis (age 72) succeeded 11th EarL Cassilis at which time he was lviign in New York. Baronet Kennedy of Culzean in Ayrshire extinct.