Eli Thayer was a Republican member of the United States House of Representatives from 1857 to 1861. He was born in Mendon, Massachusetts. He graduated from Worcester Academy in 1840, from Brown University in 1845, and in 1848 founded Oread Institute, a school for young women in Worcester, Massachusetts. He is buried at Hope Cemetery, Worcester.

Mendon is a town in Worcester County, Massachusetts, United States. The population was 6,228 at the 2020 census. Mendon is part of the Blackstone River Valley National Heritage Corridor, an early center of the industrial revolution in the United States. Mendon celebrated its 350th anniversary on May 15, 2017.