What does the word J mean?

Usage examples for J

  1. There were several good excuses for not writing to Mr. J. Smith: I will mention five. – A Budget of Paradoxes, Volume II (of II) by Augustus de Morgan
  2. Edited by J. H. Fassett. – Literature for Children by Orton Lowe
  3. J. Hope Moulton, D. D., D. Theol. – The Life-Story of Insects by Geo. H. Carpenter