On 01 Dec 1890 Thomas Bateson 1st Baron Deramore (age 71) died. His brother George de Yarburgh-Bateson 2nd Baron Deramore (age 67) succeeded 2nd Baron Deramore of Belvoir in County Down, 3rd Baronet Bateson of Belvoir Park in County Down.

On 29 Apr 1893 George de Yarburgh-Bateson 2nd Baron Deramore (age 70) died. His son Robert Wilfred de Yarburgh-Bateson 3rd Baron Deramore (age 27) succeeded 3rd Baron Deramore of Belvoir in County Down, 4th Baronet Bateson of Belvoir Park in County Down.

On 01 Apr 1936 Robert Wilfred de Yarburgh-Bateson 3rd Baron Deramore (age 70) died without male issue. His brother George Yarburgh-Bateson 4th Baron Deramore (age 65) succeeded 4th Baron Deramore of Belvoir in County Down, 5th Baronet Bateson of Belvoir Park in County Down.

On 04 Nov 1943 George Yarburgh-Bateson 4th Baron Deramore (age 72) died. His son Stephen de Yarburgh-Bateson 5th Baron Deramore (age 40) succeeded 5th Baron Deramore of Belvoir in County Down, 6th Baronet Bateson of Belvoir Park in County Down.

On 23 Dec 1964 Stephen de Yarburgh-Bateson 5th Baron Deramore (age 61) died. His brother Richard de Yarburgh-Bateson 6th Baron Deramore (age 53) succeeded 6th Baron Deramore of Belvoir in County Down, 7th Baronet Bateson of Belvoir Park in County Down.

On 20 Aug 2006 Richard de Yarburgh-Bateson 6th Baron Deramore (age 95) died. Baron Deramore of Belvoir in County Down, Baronet Bateson of Belvoir Park in County Down extinct.