The original meaning of the surname is probably that of an inhabitant of Inkersall, Derbyshire, England
James J Ingersoll (born 1941), USAF Instructor Flight Engineer, Community College Instructor, and Public School Teacher, sone of John W Ingersoll
Andrew Ingersoll (born 1940), American astronomer and professor of planetary science at the California Institute of Technology
Bob Ingersoll (born 1952), American lawyer and writer
C. Jared Ingersoll (1894-1988), American president of the Muskogee Company and brother of John H. W. Ingersoll
Charles Ingersoll (disambiguation), multiple people
Colin M. Ingersoll (1819-1903), United States. Representative from Connecticut, son of Ralph Isaacs Ingersoll
Ebon C. Ingersoll (1831-1879), United States Representative from Illinois
Ernest Ingersoll (1852-1946), American naturalist, writer and explorer
Frederick Ingersoll (1876-1927) American inventor, engineer, and entrepreneur who created the world's first amusement park chain
Jared Ingersoll (1749–1822), United States Constitution signer
John H. W. Ingersoll, American president of the Muskogee Company and brother of C. Jared Ingersoll
Jonathan Ingersoll (died 1823), Lieutenant Governor of Connecticut from 1816 to 1823
Jonathan E. Ingersoll, (born circa 1949) American economist
Joseph Reed Ingersoll (1786–1868), American lawyer and statesman from Philadelphia, Pennsylvania
Ralph Isaacs Ingersoll (1789–1872), United States Representative from Connecticut
Ralph McAllister Ingersoll (1900–1985), American publisher
Robert G. Ingersoll (1833–1899), American orator and political leader
Robert Stephen Ingersoll (1914-2010), American businessman and diplomat
Robert Sturgis Ingersoll (1891-1973), American president of the Philadelphia Art Museum from 1948 to 1964
Robert Hawley Ingersoll, co-founder of the Ingersoll Watch Company
Royal R. Ingersoll (1847–1931), Rear Admiral, U.S. Navy
Royal E. Ingersoll (1883–1976), Admiral, U.S. Navy
Royal R. Ingersoll, II (1913–1942), Lieutenant, U.S. Navy
Simon Ingersoll (1818–1894), American founder of Ingersoll Rand
Stuart H. Ingersoll (1898-1983), Admiral, U.S. Navy
Thomas Ingersoll (1749–1812), Canadian early settler
