Surname モロイ (モロイ 
, Molloy 
) , in the entire world, is a common last name. The surname モロイ is habitual in Northern Europe, particularly Ireland, where it is a common surname, Jersey, where it is quite a common surname, and Isle of Man (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Ireland. Much less frequently, モロイ is the forename as well as the last name.