Great
| 1. | Double Diapason | 16 | 1-12 B |
| 2. | Open Diapason | 8 | |
| 3. | Stopped Diapason | 8 | |
| 4. | Viol de Gamba | 8 | |
| 5. | Principal | 4 | |
| 6. | Flauto Traverso | 4 | |
| 7. | Fifteenth | 2 | |
| 8. | Sesquialtera 12.17 | II rks | |
| 9. | Mixture 19.22.26 | III rks | |
| Swell to Great | |||
| Swell Octave to Great |
Swell (Enclosed)
| 10. | Open Diapason | 8 | bass grooved to Claribella |
| 11. | Claribella | 8 | |
| 12. | Dulciana | 8 | bass grooved to Claribella |
| 13. | Gemshorn | 4 | |
| 14. | Fifteenth | 2 | |
| 15. | Mixture 19.22 | II rks | |
| 16. | Cornopean | 8 | |
| Swell Sub Octave | |||
| Swell Octave | |||
| Tremulant |
Pedal
| 17. | Bourdon | 16 | A |
| 18. | Principal | 8 | B |
| 19. | Bass Flute | 8 | A |
| 20. | Fifteenth | 4 | B |
| Swell to Pedal | |||
| Great to Pedal |
Accessories
6 double touch thumb pistons to Great/Pedal (duplicated by toe pistons)
6 double touch thumb pistons to Swell/Pedal (duplicated by toe pistons)
3 reversible thumb pistons to Sw/Gt, Sw/Ped, Gt/Ped
1 General Cancel thumb piston
Balanced Swell Pedal
Organ on south gallery with detached console beneath at ground level
1973
Action electrified, new detached Kimber Allen console
Pedal Principal/Fifteenth rank added
Great Twelfth added on chest
1990
Organ moved from chamber on north side of chancel to south gallery
New electric underactions, Pedal Bourdon chests replaced
Former Great Dulciana moved to Swell replacing Bourdon
Sesquialtera added to Great using former Twelfth
Great Mixture III - new on spare slide
Great Double Diapason added on former Twelfth chest
Builder: Peter Conacher & Co, Huddersfield, 1869
Rebuilt: William F Grinstead, Coolmine Rathcoole Co Dublin, 1973
Rebuilt: Wells-Kennedy Partnership Ltd, Lisburn, 1990