In all the world, Holechek (Holechek 
) is an extremely rare unknown gender first name. Much more prevalently, Holechek is the last name as well as the forename.
Max, Betty, Brian, Brett, Kelly, Kelli, Roger, Rhett, Daryl, David, Jacob, James, Jason, Jerry, Tommy, Edwin, Vicki, Samuel, Shelli, Arlene, Ashton, Carson, Chris, Anton, Scott, Stacy, Roy, Jim, Tom, Mark, Anne, Karl, Kyle, Rose, Rudy, Ryan, Brooke, Dave, Lynn, Jane, John, Judy, Jill, Tony, Erin, Sarah, Susan, Steve, Lacy, and Pamela