1,408 Louth voters in 1865
| Name | Barony | Address | Landlord |
|---|---|---|---|
| Dullaghan Thomas | Dundalk Lower | Mullabane | Mr. Mulholland |
| Dullaghan Thomas | Dundalk Lower | Mullabane | Mr. Mulholland |
| Dullaghan Thomas | Dundalk Upper | Donoughmore | Thomas C. Fitzgerald |
| Dullaghan Thomas | Dundalk Upper | Donoughmore | Thomas C. Fitzgerald |
| Dunlop Robert Foster | Ferrard | Monasterboice | |
| Dunlop Robert Foster | Ferrard | Monasterboice | |
| Dunlop William D. | Ferrard | Monasterboice | |
| Dunlop William D. | Ferrard | Monasterboice | |
| Dunn John | Dundalk Upper | Knockagh | Captain T.P.M. Filgate |
| Dunn John | Dundalk Upper | Knockagh | Captain T.P.M. Filgate |
| Dunne James | Ferrard | Belpatrick | Mr. Edward Singleton |
| Dunne James | Ferrard | Belpatrick | Mr. Edward Singleton |
| Dunne John | Dundalk Upper | Dundalk | Lord Roden |
| Dunne John | Dundalk Upper | Dundalk | Lord Roden |
| Dunne John | Ferrard | Belpatrick | Mr. Edward Singleton |
| Dunne John | Ferrard | Belpatrick | Mr. Edward Singleton |
| Dunne John jun | Ferrard | Belpatrick | Mr. Edward Singleton |
| Dunne John jun | Ferrard | Belpatrick | Mr. Edward Singleton |
| Dunne Thomas | Dundalk Upper | Philipstown | Henry Battersby |
| Dunne Thomas | Dundalk Upper | Philipstown | Henry Battersby |
