There were no tornado-related deaths in Illinois in 2011.
There have been many tornadoes in Arkansas. However, given the timing, you presumeably mean the tornado that struck the towns of Mayflower and Vilonia on April 27, 2014. That tornado killed 16 people.
The Goderich, Ontario tornado of 2011 killed 1 person.
If you mean the Sedalia, Missouri tornado of May 25, 2011, there were no deaths from that particular tornado.
The tornado that hit Smithville, MS on April 27, 2011 killed 23.
In 2011 tornadoes killed 570 people, 553 in the U.S.
158 people were killed by the Joplin tornado. Another tornado on the same day killed 1 person in the Minneapolis area.
The Tuscaloosa, Alabama tornado of April 27, 2011 killed 64 people, making it the second deadliest tornado in Alabama history. Another tornado hit Tuscaloosa on December 16, 2000, killing 11 people.
The most recent killer tornado, which occurred in North Carolina on November 16, 2011, killed 2 people. It touched down less than an hour after another tornado in South Carolina that killed 3 people.
10 people died on April 24, 2010 from a tornado in Mississippi.
The Xenia, Ohio tornado of 1974 killed 32 people directly. Two others died from indirect effects of the tornado.
Nobody in Texas was killed in any tornadoes in 2011. As of September of 2012 the last tornado related death in Texas was in 2007.