In the 1840s, Seabury was a sea captain. In 1843, he was in charge of the brigZoroaster, which was built in Thomaston, Maine, with fellow Mainers Nathaniel Robbins, of Fairfield, and Moses Tolman, of Industry.[4]
Seabury worked with his father, Joseph Sr., at the J. & A. Seabury yards on the eastern side of the Royal River in Yarmouth.[5]
Seabury Jr. also worked at Blanchard Brothers shipyard, which was established in 1857 by former sea captain Sylvanus Blanchard and three of his sons, Paul, Sylvanus Cushing and Perez.[6]
Selected vessels
Seabury was responsible for the following selected ships: