May is a month, not a year.
But it does have the most tornado of any month.
In 2011 there were 552 tornado fatalities in the United States, tying it as the second deadliest tornado year in U.S. history.
As many that is needed to correct your Grammar.
Tornado Alley averages about 700 to 800 tornadoes per year.
Yes. There will be many tornadoes in the summer as there are every year.
In SC, we average about 25.3 tornado storms per year.
Just to point out: a tornado is only a tornado if it touches the ground, if not it's a funnel cloud. There are about 1200 tornadoes each year in the USA on average, though it varies from year to year. Most of them occur in Tornado Alley (Oklahoma,Texas...)
Tornado Alley itself is not destructive, but the tornadoes that frequent it can be. The tornadoes in Tornado Alley destroy many homes each year.
35 is an average number of tornadoes per Year in Iowa.
Tornadoes do not have names. Some tornadoes are referred to by where they hit (e.g. the Oklahoma City tornado), but that is not a name. Accurate worldwide records are not available, but the United States, which keeps the best tornado records, experiences about 1,200 tornadoes in an average year.
Tornado Alley is a region, not a time of year. Tornado season is generally considered to last April through June.
The mean number of tornado fatalities per year (over the past 30 years) in Illinois is between 2 and 3. However, death tolls vary significantly from year to year. Some year in Illinois see no tornado fatalities, while in 1990 a single tornado in Illinois killed 29 people.
It varies from year to year, but on average Kansas gets 95 tornadoes per year.