Stock, John, 1764-1842

found: Potter, William. Notebook of William Potter, student at Poplar House Academy, 1820(NYPL Pforzheimer Manuscript (MISC 4473); laid-in invoice for midterm 1820, money owed to "J. Stock," "Mr. Stock, of Poplar.")

found: Pritchard, A. Charles Pritchard, 1897, viewed via Google Books November 10, 2018 :page 10 (John Stock of Poplar ran a private, middle-class school.) - https://books.google.com/books?id=EfL0vdjg40cC&pg

found: Ancestry.com. London, England, Church of England Deaths and Burials, viewed November 10, 2018 (John Stock of Poplar, died age 78; buried 9 June 1842.)

found: National Portrait Gallery website, viewed November 10, 2018 :record for mezzotint portrait of John Stock, 1842 (Engraved by Charles Edward Wagstaff, after a painting by Henry William Pickersgill. Engraved text on picture identifies Stock as Magistrate of the County of Middlesex, and Pickersgill as his former pupil. Record gives Stock's birth year as 1764.) - https://www.npg.org.uk/collections/search/portrait/mw38606/John-Stock