| Name | Harry O`Brien |
| Date of birth | Unknown |
| Nationality | Australian |
| Position | Striker |
| More info | Unavailable |
| Team | Appearances | Goals | Yellow cards | Red cards |
| Cockburn City SC* | 2 | 0 | 0 | 0 |
| Match Type | Appearances | Goals | Yellow cards | Red cards |
| FFA Cup | 2 | 0 | 0 | 0 |
| Statistic | Margin | Matches |
| Biggest win | N/A | |
| Biggest loss | 2 goals | 27/07/2022 Brisbane City (QLD) 3-1 Cockburn City SC (WA) (Cup) |
| # | Player | Appearances on the same team | Team(s) |
| 1. | Daniel Dols | 2 | Cockburn City SC |
| David Araya | 2 | Cockburn City SC | |
| 3. | Ruben Tristao | 1 | Cockburn City SC |
| Blake Adams | 1 | Cockburn City SC | |
| Liam Murray | 1 | Cockburn City SC | |
| Milan Ognjenovic | 1 | Cockburn City SC | |
| Ryan Barker | 1 | Cockburn City SC | |
| Breckan Baker | 1 | Cockburn City SC | |
| Callan Baker | 1 | Cockburn City SC | |
| Daniel Santich | 1 | Cockburn City SC | |
| Alessandro Basto | 1 | Cockburn City SC | |
| Ivan Skorich | 1 | Cockburn City SC | |
| Daniel Robinson | 1 | Cockburn City SC | |
| Igor Cvijanovic | 1 | Cockburn City SC | |
| Louis de al Cheneliere | 1 | Cockburn City SC | |
| Justin Tang | 1 | Cockburn City SC | |
| Jeff Bright | 1 | Cockburn City SC | |
| Cameron Edwards | 1 | Cockburn City SC | |
| Ali Gholami | 1 | Cockburn City SC | |
| Aden Da Luz | 1 | Cockburn City SC | |
| Luke Radonich | 1 | Cockburn City SC | |
| Euen Grant | 1 | Cockburn City SC | |
| Joshua Kuser | 1 | Cockburn City SC | |
| Angel Andres | 1 | Cockburn City SC |
| Team | Date | Match Type | Result | Goals | Bookings | On | Off | Notes |
| Cockburn City SC* | 10/08/2016 | FFA Cup | Melbourne Knights (VIC) 2-1 Cockburn City SC (WA) | Kick off | Full time | |||
| 27/07/2022 | FFA Cup | Brisbane City (QLD) 3-1 Cockburn City SC (WA) | Kick off | Full time |