Elisha Dickson

Julia eloped with an older man Elisha Dixon, and the couple married in St. Louis, Missouri. In 1851, Dixon was injured while employed on a steamboat. He died, probably in 1853, as a result of these injuries.

Could this be the explosion? https://www.geni.com/projects/Saluda-Steamboat-Explosion-of-1852/38166 More research needed.