On 27 Jun 1890 James McGarel-Hogg 1st Baron Magheramorne (age 67) died. He was buried at Brompton Cemetery. His son James McGarel-Hogg 2nd Baron Magheramorne (age 29) succeeded 2nd Baron Magheramorne of Magheramorne in Antrim, 3rd Baronet Hogg of Upper Grosvenor Street in London. Evelyn Ashley-Cooper Baroness Magheramorne (age 25) by marriage Baroness Magheramorne of Magheramorne in Antrim.

On 10 Mar 1903 James McGarel-Hogg 2nd Baron Magheramorne (age 42) died in Paris. His brother Dudley McGarel-Hogg 3rd Baron Magheramorne (age 39) succeeded 3rd Baron Magheramorne of Magheramorne in Antrim, 4th Baronet Hogg of Upper Grosvenor Street in London.

On 14 Mar 1946 Dudley McGarel-Hogg 3rd Baron Magheramorne (age 82) died unmarried. He was buried at Brompton Cemetery. His brother Ronald Tracy McGarel-Hogg 4th Baron Magheramorne (age 81) succeeded 4th Baron Magheramorne of Magheramorne in Antrim, 5th Baronet Hogg of Upper Grosvenor Street in London.

On 21 Apr 1957 Ronald Tracy McGarel-Hogg 4th Baron Magheramorne (age 92) died unmarried. Baron Magheramorne of Magheramorne in Antrim extinct. His first cousin once removed Kenneth Weir Hogg 6th Baronet (age 62) succeeded 6th Baronet Hogg of Upper Grosvenor Street in London.