In the entire world, Gilberthe (Gilberthe 
) is a very rare largely girly, but seldom masculine forename. The first name Gilberthe is habitual in Northern America, particularly the United States, where it is an extremely rare largely female, but uncommonly boy's name. Very seldom, Gilberthe is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gilberthe | France, Canada, United States |