| Tournament | Round | Kathleen Maher | Carol Johnston |
| 06.08.2006 Camp Duckadang (QLD) | 5 | 329 | 302 |
| 08.06.2008 Woomba Wound Wobins (QLD) | 5 | 355 | 331 |
| 08.06.2008 Woomba Wound Wobins (QLD) | 10 | 366 | 331 |
| 08.06.2008 Woomba Wound Wobins (QLD) | 15 | 262 | 362 |
| 12.06.2011 Woomba Wound Wobins (QLD) | 7 | 304 | 327 |
| 11.06.2012 Woomba Wound Wobins (QLD) | 1 | 347 | 343 |
| 11.06.2012 Woomba Wound Wobins (QLD) | 7 | 358 | 276 |
| 21.09.2014 Toowoomba (QLD) | 4 | 361 | 253 |
| 26.07.2015 Coominya (QLD) | 7 | 408 | 321 |
| 18.09.2016 Toowoomba Spring (QLD) | 2 | 369 | 402 |
| 18.05.2019 Toowoomba May (QLD) | 3 | 251 | 380 |
| Head-to-head after 11 games | 7 | 4 | |
| Average score | 337.27 | 329.81 | |
| Spread: | 82 | -82 | |