Former Taoiseach Bertie Ahern was guest of honour at the union’s Annual Dinner in the City Hotel, where he delivered the key note speech last month.
Here is a selection of photographs from the evening.
5. Fred Mullan, President, Coleraine Academical Institution Old Boys' Association, and Dermot Carlin, Vice-President, St Columb's College Union
Fred Mullan, President, Coleraine Academical Institution Old Boys' Association, and Dermot Carlin, Vice-President, St Columb's College Union Photo: Supplied
6. Alumni Illustriissimi:- Mark Durkan (2018), Professor Declan McGonagle (2012) and Professor John McCloskey (2022)
Alumni Illustriissimi:- Mark Durkan (2018), Professor Declan McGonagle (2012) and Professor John McCloskey (2022) Photo: Supplied
7. Guests at St Columb's College Union Dinner
Guests at St Columb's College Union Dinner Photo: Supplied