In all the world, Nuesslein (Nuesslein 
) is an extremely rare unknown gender first name. Much more frequently, Nuesslein is the last name as well as the forename.
Mr, Hazel, Felix, Alicia, Andrea, Andrew, Astrid, Carina, Claire, Karina, Philip, Rainer, Deanna, Thomas, Nicole, Olivia, Michael, Susanne, Steffen, Annette, Carolyn, Cynthia, Elena, Raymond, Tunde, Josef, Ms, Amy, Karl, Paul, Dave, John, Timo, Eric, Earl, Sonia, Stoja, Claus, Cindy, Keith, Klaus, Renee, Diane, Donna, Larry, Jacob, James, Julia, and Richard