Definitions of Carson:

• noun:   United States frontiersman who guided Fremont's expeditions in the 1840s and served as a Union general in the Civil War (1809-1868)
• noun:   United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964)
• name:  A surname (common: 1 in 4166 families; popularity rank in the U.S.: #472)
• name:  A male given name (rare: 1 in 12500 males; popularity rank in the U.S.: #774)