Possibly the swiftest route to your roots.
Irish genealogy website directory.
www.from-ireland.net/county/article/Official-Authorities%2C-Co.-Louth%2C-Ireland%2C-1834/Louth
Description:
Representatives: Honorable george John (Forbes), Viscount Forbes, eldest son of the Earl of Granard, a Major-General in the army. Castle Forbes, Co. Longford. Anthony Lefroy, Esq., son of the Member for Dublin University and Son-in-Law of Viscount Lorton, 84, Eaton Square, London, England.