In all the world, Mincham (Mincham 
) is an extremely rare unknown gender first name. Much more prevalently, Mincham is the last name as well as the forename.
Mr, Alexie, Cherie, Cheryl, Carole, Claire, Robert, Julian, Nathan, Hayley, Oriana, Michael, Addison, Heather, William, Kathleen, Laurence, Jennifer, Thomasin, Christine, Monica, Venkataiah, Helen, James, Ms, Rob, Deb, Sari, Sean, Anna, Adam, Paul, Jeff, Troy, Erin, Sonya, Colin, Brody, Bryan, Paula, Rowan, David, Lexie, Tegan, and Hayley Michael