Definition
This surname most commonly refers to Mary Mallon, aka Typhoid Mary. The surname 'Mallon' is of Irish origin. It is derived from the Gaelic name 'Ó Mealláin,' meaning 'descendant of Meallán.' 'Meallán' is a personal name derived from 'meall,' meaning 'pleasant' or 'lightning.' The name Mallon carries the history and heritage of Irish families.