Around the world, Cullion (Cullion 
, Coillon) is an extremely rare unknown gender first name. More prevalently, Cullion is the last name as well as the forename.
Jo, Angela, Cheryl, Rachel, Debbie, Declan, Laural, Lauren, Joseph, Joshua, Jolynn, Manuela, Matthew, Michael, Suzanne, Bernard, Kathryn, Rayanne, Raymond, Rebecca, Desmond, Darlene, Andrea, Alisha, Sharon, Helen, Kim, Ian, Mary, Mark, Kara, Kyle, Paul, Dian, Lynn, John, Jeanine, Tori, Susan, Allen, Chris, Brian, Bryan, Karen, Keith, James, Julie, Nancy, Marie, and Emelita