Vernon \v(e)-rnon, ver-non\ as a boy's name is pronounced VER-non. It is of Old French origin, and the meaning of Vernon is "alder grove". Place name and aristocratic surname brought to England at the time of the Norman conquest, and used as an English given name in the 19th century. Vern and Verne are related English/French surnames frequently used as short forms of Vernon or Lavern. Statesman Vernon Jordan.
For more information, see also the related name Verlyn.