‌Mark and Louise O’Connor, in their 50s, and their son Evan, who was in his 20s, were tragically killed in a suspected stabbing incident in their family home in Louth early on Monday. ‌View 4 Images Victims Mark O'Connor with son Evan O'Connor and wife Louise O'ConnorThe heartbreaking post on RIP.ie reads: "The death has occurred of Mark O'Connor, Louise Doherty O'Connor and their beloved son Evan O'Connor, at their home in Drumgowna, Co. Louth. "Mark, Louise and Evan are survived by Cian and Robert. They wrote: "My sincere condolences to the family of Mark, Louise and Evan. A family friend of decades wrote: "RIP to Louise Mark and Evan.