Cognomen Шиди (Sheedy 
, Шиди 
) , across the world, is quite a common last name. The last name Шиди is characteristic of Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and New Zealand. Not in comparison with a country's population, it is the most numerous in the United States, Australia, and Ireland. Very seldom, Шиди is the forename as well as the last name.