What have been the deadliest tornadoes on record in the United States?

Deadliest U.S. Tornadoes

Location	Date	Deaths
Tri-State (IL, IN, MO)	March 18, 1925	695
Natchez, MS	May 6, 1840	317
St. Louis, MO	May 27, 1896	255
Tupelo, MS	April 5, 1936	216
Gainesville, GA	April 6, 1936	203
Woodward, OK	April 9, 1947	181
Amite, LA/Purvis, MS	April 24, 1908	143
New Richmond, WI	June 12, 1899	117
Flint, MI	June 8, 1953	115
Waco, TX	May 11, 1953	114
Goliad, TX	May 18, 1902	114
Omaha, NE	March 23, 1913	103
Mattoon, IL	May 26, 1917	101
Shinnston, WV	June 23, 1944	100
Marshfield, MO	April 18, 1880	99
Gainesville & Holland, GA	June 1, 1903	98
Poplar Bluff, MO	May 9, 1927	98
Snyder, OK	May 10, 1905	97
Worcester, MA	June 9, 1953	94
Natchez, MS	April 24, 1908	91
Starkville, MS, & Waco, AL	April 20, 1920	88
Lorain & Sandusky, OH	June 28, 1924	85
Udall, KS	May 25, 1955	80
St. Louis, MO	September 29, 1927	79
Louisville, KY	May 27, 1890	76