"The Planters of the Commonwealth: 1620-1640 Passengers and Ships"
August 10, 1638 "DILIGENT" of Ipswich, John Martin, Master. She sailed from Ipswich, Suffolk, in June and arrived August 10 at Boston, with one hundred passengers, principally from Hingham, Norfolk, destined for Hingham, MA.
The cited information was published by 13 Feb 2001, held in
Kirk Larson The author/originator was Banks, Charles Edward.