Of Germanic origin.
Feminine of the names Gilbert and Gilberto.
From the Germanic elements “gisil”, meaning “pledge” and “björt”, meaning “bright”, “shinning”.
Other forms of the name are Gilberte, Gilly, Gigi, Gilbertina.
Masculine forms of the name are Gilbert, Gilberto, Guilbert, Gib, Gilburt, Gibby, Jilberto, Iberto.