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Family name Макдоннелл (Mcdonnell
, Macdonnell
, Макдоннелл
) , across the world, is a common cognomen. The last name Макдоннелл is characteristic of Ireland, where it is a common surname, Isle of Man, where it is quite a common surname, and Australia. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Ireland.