Family name Gilber (Gilber 
) , worldwide, is quite a rare last name. The cognomen Gilber is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare surname, Venezuela, and Honduras. Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Venezuela, Mexico, and Nicaragua. More prevalently, Gilber is the forename as well as the last name.