Across the world, Matsusaki (Matsusaki 
) is an extremely rare boy's first name. Much more prevalently, Matsusaki is the last name as well as the forename.
Mr, Ariel, Akira, Carla, Celso, Clara, Baboo, Kazuo, Kenji, Romel, Ronel, Reiko, Layne, Tania, Takao, Terry, Terri, Teruo, Nobuo, Eliza, Elisa, Edita, Selma, Erika, Suely, Masao, Ms, Ko, Ho, Miu, Ana, Ron, Mark, Moco, Arne, Rico, Rita, Gail, Glen, Jane, Jade, Joel, Jean, Thor, Isis, Maria, Marta, Susan, and Hayde