Coffey, Chris (Mr): Geography. (1990s)
Comer, Tom (Mr): Teacher of Mathematics from the 1970s to the 1990s. Senior Teacher
Connolly, F R (Br):
Connolly, Seamus (Mr): Maths. (1990s)
Crinion, P A (Mr): Devlin, J (Mr):
Egan, Richard (Mr): Economics
Farrell, Michael (Br): Fitzpatrick, J J (Mr):
Gallagher, C I (Br): Science teacher. Also taught and was Vice Principal in St Mary’s CBGS.
Ger Gibbons, Ger (Br): Also taught Latin in CBS, Glen Road.
Haffey, J (Mr):
Kane, Val (Mr): For many years was greatly involved with Ulster Colleges.
Magee, T L (Br):
Markey, Hugh (Mr): Economics
McCann, John (Mr): Religion
McCrohan, D B (Br): Former Principal of St Mary’s CBGS and Omagh CBGS. Originally from Cahersiveen, Co Ciarraí.
McDonnell, T C (Br): McFarlane, P C (Br):
McGovern, Dermot (Mr): Went on to be Principal for 22 years.
McKevitt, Maurice (Mr): Irish (1990s)
McMahon, Mel (Mr): Head of English.
Newell P W (Br): 1930s,
O’Hara, H C (Br):
O’Rourke, Aidan (Mr): Past Pupil of the Abbey Primary and Abbey Grammar. Taught in the school for over forty years.
Rehill W L (Br):
Rice, Michael (Br): 1920s. A hurling enthusiast from Kilkenny,
Ryan, E F (Br): Sweeney, M F (Mr): Sweeney, P A (Mr):
Trainor, Grace (Mrs): Biology. (1990s)
| Teacher | Subject |
| Irish | |
| Mr. Jim McCartan | PE |
| Mr. Dan McCartan | Geography |
| Mr. Kevin Brady | Physics |
| Ms. Leslie Emerson | Physics |
| Mrs. Teri Donegan | Music |
| Mrs. Gerard Hughes | Biology |
| Mr. Owen Cahill | English |
| Mr. Hugh Murphy | Irish |
| Dr. Seán Fee | Chemistry |
| Mr. Gervais Patterson | Science |
| Mr. Gerard McCoy | Computers |
| Dr. AD McDonnell | History |
| Mr. Tom Comer | Maths |
| Mr. Val Kane | PE |
| Mr. Pat Mooney | English |
| Mrs. Mildred Rooney | History |
| Mrs. Gene McDonald | Science |
| Mr. Ray Spallen | History |
Br H C O’Hara,
Bro. P.W. Newell; 1930s,
Mr Aidan O’Rourke: Past Pupil of the Abbey Primary and Abbey Grammar. Taught in the school for over forty years.
Br. W. L. Rehill,
Br. Michael Rice; 1920s. A hurling enthusiast from Kilkenny,
Br E F Ryan, Mr M F Sweeney, Mr P A Sweeney,
