Throughout the world, Blascak (Blascak 
) is an extremely rare unknown gender first name. Much more prevalently, Blascak is the last name as well as the forename.
Amy, Nick, Mario, Susan, Allan, Pavel, Peter, David, Damon, Laura, Toni, Lukas, Jason, Terry, Nancy, Holly, Martin, Martha, Mathew, Michal, Ashley, James, Austin, Thad, John, Don, Jan, Joe, Jim, Tim, Marc, Mary, Mark, Matt, Tami, Mike, Bret, Kyle, Paul, Ruth, Dana, Gwen, Gwyn, Lori, Jose, Adam, and Rachel