A movable barrier operator having thumbprint identification in either a remote radio frequency transmitter, or a receiver/barrier operator system or both is provided. A control circuit with a non-volatile memory receives thumbprint information from a fingerprint detector device and stores the information, identifying an authorized user. On subsequent operation of the fingerprint detector, a fingerprint data set is received in the control circuit and an attempt is made to match the incoming data with previously stored data thus establishing the identify of the user according to highly reliable biometric principles. As an option, a variety of different actions can be taken based upon the perceived identity of a particular individual, as well as the type of device communicating with the receiver/barrier operator.