Rev. John Jennings, Jr. (d. 1775) was the son of Dr. John Jennings (see above). The younger Jennings was a student at Doddridge's academy (class of 1734); he married Anna Letitia Jennings, and their daughter was Jane (Jenny) Jennings. He ministered to the Independent meeting in St. Ives from 1742-56. He was a subscriber to Volume 1 of Doddridge's Family Expositor in 1739 and Volume 4 in 1753.