The 22-year-old, who is yet to make an appearance for the Clarets this season, joins Nigel Worthington's side until October 31.
O'Neill came through the Leicester City academy before joining Mansfield Town, ahead of his move to Burnley last summer.
The Minstermen, who currently sit 21st in League Two, play Torquay United tomorrow.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | West Bromwich AlbionWest Brom | 6 | 5 | 1 | 0 | 10 | 2 | 8 | 16 |
| 2 | Sunderland | 6 | 5 | 0 | 1 | 13 | 4 | 9 | 15 |
| 3 | Burnley | 6 | 4 | 1 | 1 | 13 | 4 | 9 | 13 |
| 4 | Sheffield UnitedSheff Utd | 6 | 4 | 2 | 0 | 9 | 3 | 6 | 12 |
| 5 | Blackburn RoversBlackburn | 5 | 3 | 2 | 0 | 12 | 6 | 6 | 11 |
| 6 | Leeds UnitedLeeds | 6 | 3 | 2 | 1 | 9 | 4 | 5 | 11 |
| 7 | Swansea CitySwansea | 6 | 3 | 1 | 2 | 7 | 4 | 3 | 10 |
| 8 | Watford | 6 | 3 | 1 | 2 | 10 | 9 | 1 | 10 |
| 9 | Oxford UnitedOxford Utd | 6 | 3 | 0 | 3 | 10 | 8 | 2 | 9 |
| 10 | Derby CountyDerby | 6 | 3 | 0 | 3 | 8 | 7 | 1 | 9 |
| 11 | Norwich CityNorwich | 6 | 2 | 2 | 2 | 8 | 7 | 1 | 8 |
| 12 | Middlesbrough | 6 | 2 | 2 | 2 | 6 | 5 | 1 | 8 |
| 13 | Bristol City | 6 | 2 | 2 | 2 | 8 | 12 | -4 | 8 |
| 14 | Queens Park RangersQPR | 6 | 1 | 4 | 1 | 8 | 9 | -1 | 7 |
| 15 | Luton TownLuton | 6 | 2 | 1 | 3 | 5 | 8 | -3 | 7 |
| 16 | Hull City | 6 | 1 | 3 | 2 | 5 | 7 | -2 | 6 |
| 17 | Stoke CityStoke | 6 | 2 | 0 | 4 | 4 | 9 | -5 | 6 |
| 18 | Millwall | 6 | 1 | 2 | 3 | 9 | 9 | 0 | 5 |
| 19 | Coventry CityCoventry | 6 | 1 | 2 | 3 | 6 | 8 | -2 | 5 |
| 20 | Plymouth ArgylePlymouth | 6 | 1 | 2 | 3 | 5 | 10 | -5 | 5 |
| 21 | Sheffield WednesdaySheff Weds | 6 | 1 | 1 | 4 | 6 | 12 | -6 | 4 |
| 22 | Preston North EndPreston | 5 | 1 | 1 | 3 | 3 | 9 | -6 | 4 |
| 23 | Portsmouth | 6 | 0 | 3 | 3 | 7 | 13 | -6 | 3 |
| 24 | Cardiff CityCardiff | 6 | 0 | 1 | 5 | 1 | 13 | -12 | 1 |
| > Championship Full Table | |||||||||
