Across the world, Gailler (Gailler 
) is an extremely rare unknown gender first name. Predominantly, Gailler is the last name as well as the forename.
Mr, Johann, Jordan, Jeanne, Elodie, Andreas, Kiliana, Richard, Nicolas, Lucile, Vincent, Samantha, Bertrand, Jennifer, Charlène, Christian, Christina, Genevieve, Christophe, Sandrine, Emmanuelle, Lorenz, Pascal, Ms, Karl, Paul, Djon, Tony, Eric, Yves, Manue, Daniel, Alain, Roman, Jakob, Franz, Martin, Samuel, Alison, Audrey, Celine, Katia, and Andreas Karl