Earl Seaforth is in Earl Ireland.
On 3rd December 1771 Kenneth Mackenzie 1st Earl Seaforth [aged 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 [aged 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.