M. O'Halloran transfers
| Date | Type | From | To |
|---|---|---|---|
| 2025-08-02 | Free Transfer | Dunfermline | Morton |
| 2023-07-09 | Free | Cove Rangers | Dunfermline |
| 2023-07-08 | N/A | Cove Rangers | ST Johnstone |
| 2023-02-24 | Loan | ST Johnstone | Cove Rangers |
| 2019-01-08 | N/A | Melbourne City | ST Johnstone |
| 2018-07-01 | N/A | Rangers | Melbourne City |
| 2018-01-02 | N/A | ST Johnstone | Rangers |
| 2017-07-29 | Loan | Rangers | ST Johnstone |
| 2016-02-01 | N/A | ST Johnstone | Rangers |
| 2014-01-03 | N/A | Bolton | ST Johnstone |
| 2013-04-30 | N/A | Tranmere | Bolton |
| 2012-11-22 | Loan | Bolton | Tranmere |
| 2012-08-31 | Loan | Bolton | Carlisle |
| 2012-03-22 | Loan | Bolton | Sheffield Utd |