According to folklorists, there is no written evidence for a “Friday the 13th” superstition before the 19th century. The earliest known documented reference in English occurs in Henry Sutherland Edwards’ 1869 biography of Gioachino Rossini, who died on a Friday 13th.
He (Rossini) was surrounded to the last by admiring friends; and if it be true that, like so many Italians, he regarded Fridays as an unlucky day and thirteen as an unlucky number, it is remarkable that one Friday 13th of November he died.
Several theories have been proposed about the origin of the Friday the 13th superstition. One theory states that it is a modern amalgamation of two older superstitions: that thirteen is an unlucky number and that Friday is an unlucky day.
The fear of Friday the 13th has been called friggatriskaidekaphobia (Frigga being the name of the Norse goddess for whom “Friday” is named and triskaidekaphobia meaning fear of the number thirteen). The latter word was derived in 1911 and first appeared in a mainstream source in 1953.
According to the Stress Management Center and Phobia Institute in Asheville, North Carolina, an estimated 17 to 21 million people in the United States are affected by a fear of this day making it the most feared day and date in history.
Some people are so paralyzed by fear that they avoid their normal routines in doing business, taking flights or even getting out of bed.