- Hudson, Hudson River - a New York river; flows southward into New York Bay; explored by Henry Hudson early in the 17th century
--1 is a kind of river
--1 is a part of New York, New York State, Empire State, NY - Hudson, W. H. Hudson, William Henry Hudson - English naturalist (born in Argentina) (1841-1922)
--2 is a kind of naturalist, natural scientist
- Hudson, Henry Hudson - English navigator who discovered the Hudson River; in 1610 he attempted to winter in Hudson Bay but his crew mutinied and set him adrift to die (1565-1611)
--3 is a kind of navigator