On 08 Dec 1873 William Meredyth Somerville 1st Baron Meredyth and Athlumney (age 71) died. His son James Somerville 2nd Baron Meredyth and Athlumney (age 8) succeeded 2nd Baron Athlumney of Somerville and Dollarstown in County Meath, 2nd Baron Meredyth of Dollardstown in County Meath, 6th Baronet Somerville of Somerville in County Meath.

On 08 Jan 1929 James Somerville 2nd Baron Meredyth and Athlumney (age 63) died without issue. Baron Athlumney of Somerville and Dollarstown in County Meath and Baron Meredyth of Dollardstown in County Meath extinct. Baronet Somerville of Somerville in County Meath dormant.