Matthew O'Byrne
| Location | Dublin |
| Dates | Active 1840–1904 |
Bells in the Dove Bell Register
| Number of bells | 49 |
| Earliest bell | Carrigart, Donegal, Republic of Ireland, S John Bapt (RC): 1 of chime Cast in 1891List earliest bells |
| Latest bell | Castlebar, Mayo, Republic of Ireland, Our Lady of the Rosary (RC): 1 of chime Cast in 1937List latest bells Some bells are show being cast after the accepted working period of this founder |
| Heaviest bell | Drogheda, Louth, Republic of Ireland, S Peter (RC): Bourdon of chime Weighing 53 cwtList heaviest bells |
| Lightest bell | Rochester, Kent, S Peter: 1 of chime Weighing 2–3–3List lightest bells |
| Listed for preservation | 0 |
| Number of part rings | 20 |
| Number of complete rings | 0 |
Projects in the Dove Bell Register
| Number of projects | 3 |
| Earliest project | Drogheda, Louth, Republic of Ireland, S Peter (RC) 1895List earliest projects |
| Latest project | Longford, Longford, Republic of Ireland, Cath Ch of S Mel (RC) 1909List latest projects |