Jonathan Haskell was a mariner.
Jonathan was known as "Long Metre" Jonathan, and always went to sea as master of a ship. He was afflicted with thyphus fever on one of his journeys, and was hurried home, where he died from the infliction.
Source
Ancestral History of the Pioneers of Deer Isle and their Descendents
by B. Lake Noyes
Francis Haskell was Captain of the Schooner "Mars." He drowned in Boston Harbor. Francis and Mary (Kalloch) Haskell had no children.