Cowdery genealogy; Richard L. Bushman, Joseph Smith and the Beginnings of Mormonism, (Champaign: University of Illinois Press, 1984), 222; Bushman, RSR, 578, n.51. There is also a distant geographical connection between the Smiths and the Cowderys. During the 1790s, both Joseph Smith, Sr. and two of Oliver Cowdery's relatives were living in Tunbridge, Vermont.
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Prior to the winter of 1830–31, Cowdery generally signed his name "Oliver H P Cowdery", the "H P" possibly standing for "Hervy" and "Pliny," two of his father's relatives. For unknown reasons, Cowdery discontinued using his middle initials about 1831. Cowdery may have wished his name to match the form in which it was printed in the 1830 Book of Mormon. [1]. It is also possible that teasing by the Palmyra Reflector (June 1, 1830) about his "pretentious moniker" may have influenced Cowdery to abandon the initials.
Hamer 2004, p. xv–xvii Hamer, John (2004). Northeast of Eden: A Historical Atlas of Missouri's Mormon County. Mirabile, Missouri: Far West Cultural Center. OCLC62190715.