/klahrk/ , n.
1. Alvan , 1804-87, and his son Alvan Graham , 1832-97, U.S. astronomers and telescope-lens manufacturers.
2. Champ /champ/ , ( James Beauchamp ), 1850-1921, U.S. political leader: Speaker of the House 1911-19.
3. (Charles) Joseph ( Joe ), born 1939, Canadian political leader: prime minister 1979-80.
4. George Rogers , 1752-1818, U.S. soldier.
5. John Bates /bayts/ , 1847-1938, U.S. economist and educator.
6. Kenneth B(ancroft) , born 1914, U.S. psychologist and educator, born in the Panama Canal Zone.
7. Mark Wayne , 1896-1984, U.S. general.
8. Thomas Campbell ( Tom ), 1899-1977, associate justice of the U.S. Supreme Court 1949-67.
9. Walter Van Tilburg /van til"beuhrg/ , 1909-71, U.S. author.
10. William , 1770-1838, U.S. soldier and explorer (brother of George R. Clark): on expedition with Meriwether Lewis 1804-06.
11. a male given name: a surname, ultimately derived from clerk.