 By 1821 Benjamin Montgomery's tavern had been joined by Abel Montgomery's blacksmith shop, John Gun's tailor shop, Thomas Beach's cabinet shop, and Joseph Burget's tannery.The Olivesburgh post office was established in 1828 and the Oliveburg General Store claims to have been founded in 1840,

The 1873 county plat shows the town to be the principal village of Weller Township, and refers to it as "Olivesburgh" in the text, "Olivesburg" in the map.Any confusion about the spelling of the name was resolved 1890 by the United States Board on Geographic Names, which required that all "burgh"s change their name to "burg" instead.