From a fantastic website called Shorpy: September 15, 1937. "First of fair sex to obtain motorcycle license in Capital. Although she weighs only 88 pounds -- one-third of the machine she rides, Mrs. Sally Halterman is the first woman to be granted a license to operate a motorcycle in the District of Columbia. She is 27 years old and 4 feet, 11 inches tall. Immediately after receiving her permit, Mrs. Halterman was initiated into the D.C. Motorcycle Club -- the only girl ever to be accorded this honor..