The choir was founded in 1983 by its present conductor, Mr. Seamus Brennan. It consists of thirty six boys whose ages range from nine to fourteen. Before joining, each boy is given two years preliminary training after which, having passed a series of tests, he may then participate in the actual choir life: the public performances and the concert tours. At the end of their time in the primary school many boys continue as members for a further year or two.

Their repertoire is divided evenly between sacred and secular. It encompasses church music of all styles, ranging from works of old masters up to contemporary compositions; and it also includes classical, folk, traditional and popular works. The choir's style and versatility is reflected in the variety of performances which has brought it to every major city in the British Isles: Dublin, Cork, Edinburgh, Glasgow, Cardiff, Manchester, Liverpool, Leeds and London. In addition to thorough musical training the choir places particular emphasis on the boys' human development. Particularly capable choirboys are selected to take over tasks, offices and responsibilities.

Head-Chorister, Deputy Head-Chorister and Group Leaders are given special badges to mark their respective ranks; while qualities of good behaviour, readiness to help, responsible co-operation and a harmonious climate form the basis of the choir's educational philosophy.