Born to Diana Margaret McCormack (nee Donaghey) and Dermot Joseph McCormack in Omagh, Northern Ireland, he became involved in the Alliance Party of Northern Ireland from an early age as a campaign worker.
Born to Diana Margaret McCormack (née Donaghey) and Dermot Joseph McCormack in Omagh, County Tyrone, he attended the local boys' Christian Brothers Grammar School. He became involved in the Alliance Party of Northern Ireland from an early age as a campaign worker.