Baron Newtown in County Donegal is in Baron Ireland.
On 11th June 1731 Richard Child aka Tylney 1st Earl Tylney [aged 51] was created 1st Earl Tylney of Castlemaine in County Kerry, 1st Viscount Castlemaine in County Kerry, 1st Baron Newtown in County Donegal. Dorothy Glynne Countess Castlemaine by marriage Countess Tylney of Castlemaine in County Kerry.
In March 1780 Richard Child aka Tylney 1st Earl Tylney died at Aix en Provence. His son John [aged 67] succeeded 2nd Earl Tylney of Castlemaine in County Kerry, 2nd Viscount Castlemaine in County Kerry, 2nd Baron Newtown in County Donegal.