What happened between Big Marie Killilea and Glo Killilea Lea in later years since neither is mentioned in the other's obituary?

In later years, Big Marie Killilea and Glo Killilea Lea experienced a significant estrangement, which is why neither is mentioned in the other's obituary. Their relationship became strained due to personal differences and conflicts that led to a lack of communication. This rift was notable, especially given their earlier close ties, indicating a profound change in their relationship dynamics over time.