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Cognomen Ladd (Lad
, Ladd
, 拉德
) , in the entire world, is a widespread surname. The surname Ladd is characteristic of Marshall Islands, where it is quite a common surname, Jersey, and Saint Lucia (explore the name in all countries). In absolute terms, it is the most numerous in India, the United States, and the United Kingdom. Much less frequently, Ladd is the forename as well as the last name.