Cognomen Gerain (Gerain 
) , all around the world, is a rare family name. The surname Gerain is habitual in Belgium, where it is a rare surname, France, and Mexico, where it is an extremely rare surname. Very seldom, Gerain is the forename as well as the last name.
Mr, Rachel, George, Thomas, Hubert, Franck, Mohamed, Michael, Antonio, Chantal, Charles, Cédric, Patrick, Jessyca, Justine, Nicolas, Valerie, William, Brunilde, Philippe, Fabienne, Francois, Pierre, Karine, Cedric, Cecile, Luc, Alex, Anne, Doni, Luka, Eric, Cesar, Clara, Rémy, Diane, Isabelle, James, Julie, Eryne, Marina, Marcel, Maryse, Merlyn, Melany, Sylvie, Carole, Carine, Julia, and Wilfried