1,408 Louth voters in 1865
| Name | Barony | Address | Landlord |
|---|---|---|---|
| Harmon Patrick | Ferrard | Mitchelstown | Lord Bellew |
| Harmon Patrick | Ferrard | Mitchelstown | Lord Bellew |
| Harmon Thomas | Ferrard | Salterstown | Sir Allen E. Bellingham |
| Harmon Thomas | Ferrard | Salterstown | Sir Allen E. Bellingham |
| Harold Owen | Dundalk Lower | Irish Grange | Lord Clermont |
| Harold Owen | Dundalk Lower | Irish Grange | Lord Clermont |
| Harpur George | Dundalk Upper | Drogheda | |
| Harpur George | Dundalk Upper | Drogheda | |
| Harpur Thomas (Rev) | Ferrard | Templeshambo | |
| Harpur Thomas (Rev) | Ferrard | Templeshambo | |
| Harrigan Edward | Dundalk Lower | Bellurgan | Edward Tipping |
| Harrigan Edward | Dundalk Lower | Bellurgan | Edward Tipping |
| Harrold Hugh | Dundalk Lower | Carlingford | Lord Clermont |
| Harrold Hugh | Dundalk Lower | Carlingford | Lord Clermont |
| Harrold Hugh | Dundalk Lower | Carlingford | Mr. Mulholland |
| Harrold Hugh | Dundalk Lower | Carlingford | Mr. Mulholland |
| Harrold Owen | Dundalk Lower | Irish Grange | Mr. Mulholland |
| Harrold Owen | Dundalk Lower | Irish Grange | Mr. Mulholland |
| Hastings John | Ardee | Downpatrick | - |
| Hastings John | Ardee | Downpatrick | - |
