Globally, Thogersen (Thogersen 
) is an extremely rare unknown gender first name. Much more frequently, Thogersen is the last name as well as the forename.
Mr, Loni, Lynn, Jane, John, Jens, Juan, Jill, Nick, Nora, Lori, Eric, Erin, Hans, Marie, Maura, Shane, Soren, Steve, Scott, Alton, Erik, Annie, Lise, Gary, Ms, Ana, Cal, Pat, Lis, Jan, Jon, Tor, Tom, Greg, Mary, Sara, Andy, Anne, Kent, Kurt, Knud, Paul, Rick, Dana, Mark, and Cheri