1929 Irish Greyhound Derby
The 1929 National Derby took place during August with the final being held at Harold's Cross Stadium in Dublin on 22 August 1929. It was the second edition of the event. The race at this stage was considered unofficial because it had not been ratified by the Irish Coursing Club.
The winner was Jack Bob, trained by Yeats, owned by Miss P Harris and bred by Mick Lynch.
Final result
At Harolds Cross, 22 August :| Position | Winner | Breeding | Trap | SP | Time | Trainer |
| 1st | Jack Bob | Orkit - Tottie Longsocks | 1 | 1-2f | 30.30 | H Yeats |
| 2nd | Into Battle | Chevalier - Delightful Lass | 4 | 14-1 | 30.74 | |
| unplaced | Black Scab | unknown | 3 | 14-1 | ||
| unplaced | Swift Service | unknown | 2 | 3-1 | ||
| unplaced | Organ Grinder | unknown | 5 | 8-1 |