Earl Seaforth is in Earl Ireland.
On 3rd December 1771 Kenneth Mackenzie 1st Earl Seaforth (age 27) was created 1st Earl Seaforth. Harriet Powell aka Lamb Lady Seaforth by marriage Countess Seaforth.
On 27th January 1781 Kenneth Mackenzie 1st Earl Seaforth (age 37) died at sea whilst travelling with his regiment the 78th Seaforth (Highland) Regiment, serving as its Lieutenant Colonel Commandant. He was buried at sea. Earl Seaforth extinct.