Lawrence is an unincorporated community and census-designated place in Chemung Township, McHenry County, Illinois, United States.

[3] A post office called Lawrence was established in 1856, and remained in operation until it was discontinued in 1903.

[4] The community was named for Lawrence Bigsby, the owner of the original town site.

Although the initial tornado did little damage, a train that was operated by Wisconsin rail had been derailed and a tanker car containing radioactive elements smashed into the back of the locomotive before flipping over and leaking radioactive elements over the rails.

This McHenry County, Illinois location article is a stub.