All over the world, Malligan (Malligan 
) is a very rare epicene first name. More prevalently, Malligan is the last name as well as the forename.
Jo, Henry, Wendy, Malahy, Ashlee, Claire, Dermot, Gordon, Lesley, Matthew, Maureen, Michael, Charley, Corrine, Kirsten, Patrick, Heather, Kathleen, Naomi, Jeanette, David, Brian, Lyn, Mary, Mike, Kate, Kyle, Paul, Dana, Greg, Gina, Lisa, Lucy, Josh, Todd, Wade, Megan, Shaun, Barry, Riley, and Jacqueline