All over the world, Sejourne (Sejourne 
) is an extremely rare masculine first name. Much more prevalently, Sejourne is the last name as well as the forename.
Mr, Marie, Samia, Serge, Alain, Andre, Aimee, Cyril, Betty, Brice, Yvan, Bruno, Ronan, Denis, David, Davon, Doris, Dylan, Laure, Louis, Logan, Kevin, Yves, Yann, Emma, Ms, Max, Guy, Jã, Tom, Marc, Mark, Suze, Stef, Alan, Andy, Anne, Rose, Remy, Lily, Lisa, Luan, Jean, Jeff, Tony, Eric, Lucas, and Jacky