Cognomen 利迪 (Liddy 
, 利迪 
, Leedy 
) , globally, is quite a common last name. The family name 利迪 is characteristic of Ireland, where it is quite a rare surname, Australia, and the United States. Measured by absolute frequency, it is commonest in the United States, Australia, and the United Kingdom. Much less frequently, 利迪 is the forename as well as the last name.