Le Roy, or more commonly LeRoy, is a town in Genesee County, New York, United States.

The name was later changed to "Le Roy" in 1813, after New York City merchant and land speculator Herman LeRoy.

[4] Le Roy was the home of Calvin Keeney, who was the first breeder to successfully produce a stringless green bean.

[6] According to the United States Census Bureau, the town has a total area of 42.2 square miles (109.2 km2), all land.

Oatka Creek, a tributary of the Genesee River, flows northward through the town and was a source of water power for early mills.

Beginning in August 2011, 14 students (13 girls and one boy) from the LeRoy Junior-Senior High School began reporting perplexing medical symptoms including verbal outbursts, tics, seizure activity and speech difficulty.

[10] The next day, Laszlo Mechtler, a neurologist treating most of the girls, was given permission to share the diagnosis of conversion disorder and mass psychogenic illness.

Unsatisfied with the investigation's results, the girls and their parents spoke out publicly against their diagnosis, stating they believed the situation warranted further scrutiny from outside sources.

Alternative medical theories were suggested, including Tourette syndrome and PANDAS, which Mechtler and his team ruled out.

[14] Bartholomew, Wessely and Rubin questioned in 2012 whether interaction on social media (Facebook, Twitter, YouTube and Internet blogs) contributed to mass psychogenic illness when the adolescent girls reported tic-like movements.