The title of Baron Athenry was created in the Peerage of Ireland in 1172. The 19thBaron was created Earl of Louth in the Peerage of Ireland in 1749, but both titles became extinct upon his death in 1799.
By this time the population of Louth was increasing rapidly, and this increase made the task of the two justices so onerous that in 1820 an Act was passed raising the number to four.
In the same year the Earl of Yarborough laid the foundation stone of the new Town Hall in Eastgate, and a fortnight later the Mayor laid the foundation stone of the Cornmarket, which was to stand on the site of the demolished Gildhall.
Hobart was the third son of the sixth Earl of Rockingham, and has been described as "a bold buccaneer of the Elizabethan period who was by some strange process of fate born into the Victorian." He became admiral of the Turkish Navy.