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First name origin & meaning:

German: Bright desire

First name variations: Gilberto, Guilbert, Giggon, Gil, Gilly, Gip, Gipper, Gib, Gibbs, Gibbes, Gibson, Gillett, Gillette, Wilbert, Wilbur, Bert, Gilbert

Last name origin & meaning:

Welsh: probably a derivative of Gibbs or Gibbon, although in some cases it may represent the Welsh personal name Cybi.