John Hampton, Promissory Note, Nauvoo,Before 21 April 1840 when the post office was changed from “Commerce” to “Nauvoo,” the Joseph Smith Papers refers to the town as “Commerce.” However, other instances of promissory notes for land transactions in September 1839 read “Nauvoo” in the dateline. Hancock Co., IL, to JS and Others, 10 Sept. 1839–ANote for $100 due on demand.

10 September 1839