Board Thread:Questions and Answers/@comment-66.202.26.130-20121116093401/@comment-174.52.59.198-20130127205118

Precisely, Bruce forbade Dick, Tim, and likely the late Jason to reveal their identities to the team, (Though Dick DID share with Wally, and Impulse told Beast Boy both their names.)

Barb on the other hand is as old as Dick, and she's not Bruce's ward, she's comissioner Gordon't Daughter. He probably doesn't know yet anyway.