| Player Name | Brian Costello (Ossama Bin Lemon) | ||||||
| Handicap | 23 | ||||||
| Rank | Shots(Par) | Putts | Score | GIR % | Scram % | Date | Course |
| 1 | 89 (71) | * 36 | +18 | * 33.33 (6) | * 0.00 (0/12) | 15/07/2006 | Mountrath |
| 2 | 89 (70) | * 36 | +19 | * 33.33 (6) | * 0.00 (0/12) | 18/08/2007 | Highfield |
| 3 | 91 (72) | * 36 | +19 | * 27.78 (5) | * 0.00 (0/13) | 30/05/2004 | Knockanally (23-05-2011) |
| 4 | 92 (73) | * 36 | +19 | * 33.33 (6) | * 0.00 (0/12) | 27/09/2003 | Black Bush (A+B) |
| 5 | 92 (71) | * 36 | +21 | * 22.22 (4) | * 0.00 (0/14) | 26/07/2003 | Mountrath |
| 6 | 93 (72) | * 36 | +21 | * 27.78 (5) | * 0.00 (0/13) | 28/08/2004 | Newbridge (09-05-2009) |
| 7 | 94 (73) | * 36 | +21 | * 33.33 (6) | * 0.00 (0/12) | 07/04/2018 | Millicent |
| 8 | 91 (69) | * 36 | +22 | * 27.78 (5) | * 0.00 (0/13) | 23/03/2002 | Dublin City (Ballinascorney) |
| 9 | 93 (71) | * 36 | +22 | * 16.67 (3) | * 0.00 (0/15) | 16/06/2007 | Christy O'Connor (Silloge Park) |
| 10 | 94 (71) | * 36 | +23 | * 11.11 (2) | * 0.00 (0/16) | 02/12/2000 | Open Golf Centre (Y+R) |
| 11 | 94 (71) | * 36 | +23 | * 16.67 (3) | * 0.00 (0/15) | 29/12/2001 | Open Golf Centre (Y+R) |
| 12 | 94 (71) | * 36 | +23 | * 16.67 (3) | * 0.00 (0/15) | 23/07/2005 | Mountrath |
| 13 | 95 (72) | 34 | +23 | 22.22 (4) | 14.29 (2/14) | 26/05/2004 | Deer Park (18 Hole) |
| 14 | 96 (73) | * 36 | +23 | * 11.11 (2) | * 0.00 (0/16) | 16/09/2006 | County Meath (Trim)(26-09-2009) |
| 15 | 95 (71) | * 36 | +24 | * 16.67 (3) | * 0.00 (0/15) | 06/04/1998 | Open Golf Centre (Y+R) |
| 16 | 96 (72) | 34 | +24 | 22.22 (4) | 14.29 (2/14) | 16/10/2004 | Athy (20-05-2006) |
| 17 | 90 (65) | * 36 | +25 | * 27.78 (5) | * 0.00 (0/13) | 27/04/2002 | Corballis |
| 18 | 96 (71) | 35 | +25 | 16.67 (3) | 13.33 (2/15) | 28/12/2002 | Open Golf Centre (Y+R) |
| 19 | 96 (71) | * 36 | +25 | * 11.11 (2) | * 0.00 (0/16) | 18/07/2003 | Open Golf Centre (Y+R) |
| 20 | 97 (71) | * 36 | +26 | * 11.11 (2) | * 0.00 (0/16) | 24/07/2004 | Mountrath |
| 21 | 97 (71) | 39 | +26 | 11.11 (2) | 6.25 (1/16) | 26/08/2006 | Turvey |
| 22 | 99 (72) | * 36 | +27 | * 22.22 (4) | * 0.00 (0/14) | 29/06/2002 | Knockanally (30-05-2004) |
| 23 | 99 (72) | * 36 | +27 | * 16.67 (3) | * 0.00 (0/15) | 16/05/2015 | Grange Castle |
| 24 | 100 (73) | * 36 | +27 | * 5.56 (1) | * 0.00 (0/17) | 06/05/2017 | County Meath (Trim) |
| 25 | 99 (71) | * 36 | +28 | * 11.11 (2) | * 0.00 (0/16) | 02/06/2001 | Turvey (24-05-2004) |
| 26 | 99 (71) | * 36 | +28 | * 22.22 (4) | * 0.00 (0/14) | 29/09/2001 | Open Golf Centre (Y+R) |
| 27 | 99 (71) | * 36 | +28 | * 5.56 (1) | * 0.00 (0/17) | 10/08/2013 | Woodlands |
| 28 | 100 (72) | * 36 | +28 | * 16.67 (3) | * 0.00 (0/15) | 29/09/2007 | Castlecomer |
| 29 | 100 (72) | 35 | +28 | 11.11 (2) | 6.25 (1/16) | 23/05/2010 | Castlewarden |
| 30 | 100 (71) | * 36 | +29 | * 16.67 (3) | * 0.00 (0/15) | 24/05/2003 | Grange Castle (23-08-2004) |
| 31 | 100 (71) | 34 | +29 | 5.56 (1) | 5.88 (1/17) | 09/05/2009 | Newbridge |
| 32 | 101 (72) | * 36 | +29 | * 27.78 (5) | * 0.00 (0/13) | 06/10/2002 | Bodenstown (Ladyhill Course) |
| 33 | 101 (72) | * 36 | +29 | * 16.67 (3) | * 0.00 (0/15) | 04/03/2017 | Moyvalley |
| 34 | 101 (71) | 33 | +30 | 11.11 (2) | 6.25 (1/16) | 17/04/2001 | Open Golf Centre (Y+R) |
| 35 | 101 (71) | * 36 | +30 | * 5.56 (1) | * 0.00 (0/17) | 19/05/2001 | Roundwood |
| 36 | 101 (71) | * 36 | +30 | * 5.56 (1) | * 0.00 (0/17) | 28/07/2001 | Mountrath (25-08-2002) |
| 37 | 101 (71) | * 36 | +30 | * 11.11 (2) | * 0.00 (0/16) | 23/07/2011 | Mountrath |
| 38 | 102 (72) | * 36 | +30 | * 16.67 (3) | * 0.00 (0/15) | 05/04/2003 | Royal Tara (B+R) |
| 39 | 102 (72) | * 36 | +30 | * 11.11 (2) | * 0.00 (0/16) | 15/09/2013 | Luttrellstown Castle (12-08-2017) |
| 40 | 102 (72) | * 36 | +30 | * 16.67 (3) | * 0.00 (0/15) | 14/05/2016 | Lisheen Springs |
| 41 | 102 (71) | * 36 | +31 | * 11.11 (2) | * 0.00 (0/16) | 04/05/2003 | Open Golf Centre (Y+R) |
| 42 | 102 (71) | * 36 | +31 | * 5.56 (1) | * 0.00 (0/17) | 04/04/2009 | Woodlands (15-08-2013) |
| 43 | 102 (71) | 34 | +31 | 5.56 (1) | 0.00 (0/17) | 02/07/2015 | Forrest Little |
| 44 | 103 (72) | * 36 | +31 | * 27.78 (5) | * 0.00 (0/13) | 30/08/2003 | Woodlands (23-08-2008) |
| 45 | 104 (73) | * 36 | +31 | * 0.00 (0) | * 0.00 (0/18) | 24/08/2014 | Carton House (O'Meara) |
| 46 | 101 (69) | 36 | +32 | 11.11 (2) | 6.25 (1/16) | 22/06/2006 | Clontarf |
| 47 | 102 (70) | * 36 | +32 | * 16.67 (3) | * 0.00 (0/15) | 20/04/2013 | Naas (Yellow Index) (05-06-2019) |
| 48 | 102 (70) | * 36 | +32 | * 11.11 (2) | * 0.00 (0/16) | 25/05/2019 | Naas (Yellow Index) |
| 49 | 103 (71) | 34 | +32 | 0.00 (0) | 16.67 (3/18) | 13/04/2001 | Open Golf Centre (Y+R) |
| 50 | 103 (71) | * 36 | +32 | * 5.56 (1) | * 0.00 (0/17) | 25/05/2002 | Hollystown (B+R) (16-06-2006) |
| 51 | 104 (72) | 33 | +32 | 5.56 (1) | 5.88 (1/17) | 20/08/2005 | Newbridge (09-05-2009) |
| 52 | 104 (72) | * 36 | +32 | * 11.11 (2) | * 0.00 (0/16) | 23/08/2009 | Castlewarden (23-05-2010) |
| 53 | 104 (72) | * 36 | +32 | * 16.67 (3) | * 0.00 (0/15) | 26/09/2015 | Castleknock |
| 54 | 104 (72) | * 36 | +32 | * 11.11 (2) | * 0.00 (0/16) | 25/08/2018 | Tulfarris |
| 55 | 104 (71) | * 36 | +33 | * 0.00 (0) | * 0.00 (0/18) | 18/05/2003 | Open Golf Centre (Y+R) |
| 56 | 104 (71) | * 36 | +33 | * 5.56 (1) | * 0.00 (0/17) | 17/04/2004 | Swords Open (17-09-2005) |
| 57 | 104 (71) | * 36 | +33 | * 11.11 (2) | * 0.00 (0/16) | 24/07/2010 | Mountrath |
| 58 | 105 (71) | * 36 | +34 | * 11.11 (2) | * 0.00 (0/16) | 19/05/2003 | Open Golf Centre (Y+R) |
| 59 | 106 (72) | * 36 | +34 | * 16.67 (3) | * 0.00 (0/15) | 28/04/2018 | St Margarets (Temporary 6th) |
| 60 | 104 (69) | * 36 | +35 | * 11.11 (2) | * 0.00 (0/16) | 20/06/2004 | Slade Valley |
| 61 | 106 (71) | * 36 | +35 | * 5.56 (1) | * 0.00 (0/17) | 15/06/2013 | Roganstown |
| 62 | 106 (71) | * 36 | +35 | * 5.56 (1) | * 0.00 (0/17) | 21/06/2014 | Dunmurry Springs |
| 63 | 107 (72) | * 36 | +35 | * 11.11 (2) | * 0.00 (0/16) | 19/06/2010 | Rathcore |
| 64 | 107 (72) | * 36 | +35 | * 11.11 (2) | * 0.00 (0/16) | 23/08/2015 | Killeen Castle |
| 65 | 108 (73) | 37 | +35 | 22.22 (4) | 7.14 (1/14) | 21/08/2010 | St Margarets (28-04-2018) |
| 66 | 108 (73) | * 36 | +35 | * 11.11 (2) | * 0.00 (0/16) | 20/06/2015 | St Margarets (28-04-2018) |
| 67 | 107 (71) | 41 | +36 | 11.11 (2) | 0.00 (0/16) | 05/04/2008 | Dunmurry Springs (21-06-2014) |
| 68 | 108 (72) | * 36 | +36 | * 16.67 (3) | * 0.00 (0/15) | 31/08/2002 | Highfield (18-08-2007) |
| 69 | 108 (72) | * 36 | +36 | * 11.11 (2) | * 0.00 (0/16) | 18/09/2004 | Balcarrick (14-05-2014) |
| 70 | 108 (72) | * 36 | +36 | * 5.56 (1) | * 0.00 (0/17) | 10/06/2017 | Palmerstown Stud (PGA National) |
| 71 | 108 (72) | * 36 | +36 | * 0.00 (0) | * 0.00 (0/18) | 08/07/2017 | Beaverstown |
| 72 | 106 (69) | * 36 | +37 | * 11.11 (2) | * 0.00 (0/16) | 01/06/2003 | Strandhill |
| 73 | 108 (71) | * 36 | +37 | * 5.56 (1) | * 0.00 (0/17) | 14/05/2005 | Turvey (26-08-2006) |
| 74 | 108 (71) | * 36 | +37 | * 0.00 (0) | * 0.00 (0/18) | 11/06/2016 | Druids Heath |
| 75 | 109 (72) | * 36 | +37 | * 16.67 (3) | * 0.00 (0/15) | 30/03/2019 | Donabate (R+B) |
| 76 | 109 (71) | * 36 | +38 | * 5.56 (1) | * 0.00 (0/17) | 13/06/2009 | Baltinglass |
| 77 | 110 (72) | * 36 | +38 | * 5.56 (1) | * 0.00 (0/17) | 11/04/2015 | Lisheen Springs |
| 78 | 111 (73) | * 36 | +38 | * 11.11 (2) | * 0.00 (0/16) | 24/04/2010 | Millicent (12-04-2018) |
| 79 | 110 (71) | * 36 | +39 | * 11.11 (2) | * 0.00 (0/16) | 26/07/2014 | Mountrath |
| 80 | 112 (72) | * 36 | +40 | * 0.00 (0) | * 0.00 (0/18) | 11/05/2013 | Hollywood Lakes |
| 81 | 113 (73) | * 36 | +40 | * 5.56 (1) | * 0.00 (0/17) | 27/04/2019 | Balcarrick |
| 82 | 112 (71) | * 36 | +41 | * 0.00 (0) | * 0.00 (0/18) | 27/07/2013 | Mountrath |
| 83 | 114 (73) | * 36 | +41 | * 5.56 (1) | * 0.00 (0/17) | 10/05/2014 | Balcarrick |
| 84 | 113 (71) | * 36 | +42 | * 0.00 (0) | * 0.00 (0/18) | 09/04/2011 | Naas (White/Blue Index) |
| 85 | 114 (72) | * 36 | +42 | * 0.00 (0) | * 0.00 (0/18) | 16/04/2005 | Knockanally (23-05-2011) |
| 86 | 114 (72) | * 36 | +42 | * 0.00 (0) | * 0.00 (0/18) | 05/04/2014 | Beaverstown |
| 87 | 115 (73) | 39 | +42 | 5.56 (1) | 0.00 (0/17) | 06/09/2006 | St Margarets (03-07-2009) |
| 88 | 114 (71) | 38 | +43 | 5.56 (1) | 0.00 (0/17) | 29/06/2003 | Stackstown (29-06-2003) |
| 89 | 115 (72) | * 36 | +43 | * 5.56 (1) | * 0.00 (0/17) | 28/07/2018 | Luttrellstown Castle (27-07-2019) |