Lacoste, Vaucluse still. The oldest building in the town, the Maison Forte, dates back to the 9th century while the nearby Pont Julien remains one of the oldest standing examples of a working 1st century B.C. Roman bridge. Finnbar Mac Eoin, author of "Two Suitcases And A Dog" lives in Lacoste. He was the last person to drive across The Pont Julien before it closed to traffic in 2005. A plaque states, "We do not know who was the first person to cross, but an Irishman was the last". Lacoste is best known for its most notorious resident, Donatien Alphonse Francois comte
St. Francois Mountains which also was originally spelled "Francois" in the French manner, is unclear. The area, as part of the Louisiana district of New France, is near some of the earliest French settlements in Missouri where many French place names survive. Some sources conjecture that the name honors St. Francis of Assisi, the patron saint of the Franciscan order, but none of the region's early explorers were Franciscans. Others propose that Jacques Marquette, a French Jesuit, named the river when he explored its mouth in present-day Arkansas in 1673. Before his voyage down the Mississippi Marquette had spent some time at the