At IAH a couple of weeks ago I checked in with a female coworker and we swapped boarding passes. I didn't realize this until handing my ID and boarding pass to the ID checker, but decided not to say anything until caught. There were two ID checkers, and we were each at one, separated by five feet or so. Both of these highly competent TSA employees looked at the individual passes and then the ID's and then gave back our respectively wrong boarding passes and let us through.

Different sexes, different names, and complete incompetence from the TSA'ers. Of course we simply went on through security without mentioning anything. This is exactly one of the reasons why I get irate waiting to get through "security".