 The Cathedral Basilica is the mother church of the Diocese of Hamilton and is the home of many activities for the Roman Catholic community within the diocese.Parish organizations include the Knights of Columbus, Children's Liturgy, Social Committee, Altar Servers, Cathedral ushers, Catholic Women's League, extraordinary ministers of Holy Communion, the Cathedral Choir which sings at the 11 am Mass, the Tenor-Bass Men's choir which sings at the 9 am Mass and the Cathedral Cantors which lead the singing at the 5-pm Saturday and Sunday afternoon 4-pm Mass.There is also a Parish Pastoral Council and Parish Finance Council to assist the Rector and the Pastoral Team in the administration of the Parish.