The novel explores the complex psychological impact of suicide on a family, a phenomenon that mental-health experts identify as a unique and difficult form of bereavement. According to research supported by organizations like the National Alliance on Mental Illness, family members who lose a loved one to suicide, known as suicide survivors, often experience intense feelings of guilt, blame, and social stigma, which can lead to complicated grief (Premack Sandler, Elana. “The Ripple Effect of Suicide.” National Alliance on Mental Illness, 10 Sep. 2018). This is compounded in cultures or families where mental health is not openly discussed. According to Harvard Health, the grieving process in wake of a suicide is particularly complex, with affected family members reluctant to seek help because of perceived stigma (“Left Behind After Suicide.” Harvard Health Publishing, 29 May 2019).

The Irish Goodbye explores the multigenerational effect of a loss by suicide since Topher’s death impacts not just the older Ryans but even the next generation, such as Finn and James. The novel also illustrates how suicide is particularly difficult for families to discuss, creating a legacy of secrets and unprocessed grief. The Ryan family’s inability to speak about Topher or the circumstances of his death prevents collective healing and allows the trauma to fester, influencing the choices and relationships of the next generation. This dynamic reflects a common pattern in which unresolved grief is passed down, manifesting as anxiety, emotional distance, and a continued cycle of avoidance that keeps the family psychologically tethered to the past.