- Carson, Rachel Carson, Rachel Louise Carson - United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964)
--1 is a kind of biologist, life scientist; environmentalist, conservationist
- Carson, Kit Carson, Christopher Carson - United States frontiersman who guided Fremont's expeditions in the 1840s and served as a Union general in the Civil War (1809-1868)
--2 is a kind of frontiersman, backwoodsman, mountain man