Bright pledge
Derived from the Germanic elements 'gisil' (pledge or hostage) and 'berht' (bright). It is the Spanish, Portuguese, and Italian form of the English name Gilbert, which was introduced to England by the Normans.
Less common today
Gilberto isn't in the latest US Top 1000. It last peaked at #416 in 1993.
Grammy-winning Brazilian singer and former Minister of Culture
Puerto Rican salsa singer known as El Caballero de la Salsa
Brazilian former professional footballer and World Cup winner
Influential Brazilian sociologist and writer
US births per 5-year period, 1990βpresent (SSA data).