Boy name origins & meanings German : Bright desire Boy name variations Gilbert Gilberto Guilbert Giggon Gil Gilly Gip Gipper Gib Gibby Gibbs Gibbes Gibson Gillette Wilbert Wilbur Bert Family name origins & meanings English : from a pet form of the personal names Giles, Julian, or William (see Gill 1).English : topographic name for someone living at the top of a glen or ravine, from northern Middle English gil(l) ‘glen’ + heved ‘head’.