Waynesboro, a borough of Franklin (disambiguation)|Franklin county, Pennsylvania, U.S.A., near Antietam Creek, about 14 m. S.E. of Chambers - burg, and about 65 m. S.W. of Harrisburg. Pop. (1880) 1888, (1890) 3811, (1900) 5396. Waynesboro is served by the Cumber - land Valley and the Western Maryland railways. It lies at the foot of the South Mountain, and under the borough are many caves and caverns. A settlement was made here about 1734; it was called Mount Vernon for twenty years, and then Wallacetown (in honour of an early settler) until the close of the War of Independence, when it was named Waynesborough in honour of General Anthony Wayne; a village was platted in 1797; its charter as a borough, granted in 1818, was repealed in 1824 but was revived in 1830, the spelling being changed to "Waynesboro." See Benjamin M. Nead, Waynesboro (Harrisburg, Pa., 1900).