Gary
来自Big Physics
wiktionary
Medieval short form of Germanic compound names beginning with gari(“spear”)/ geri(“spear”), such as Gerard, Gerald, or Gerbert. Cognate with the Scottish and Irish Gaelic name Garaidh.
From Gary Glitter.
etymonline
Gary
masc. proper name, also a surname, from Norman form of Old Norse geiri, Old Danish geri "spear" (see gar).