@claralistensprechen3rd
But WAIT! There's MORE!
Dr. Kristen Baum, Director of Monarch Watch at the U of KS also reports the logging of Monarch butterflies tagged in the U.S. on their way to Mexico, and one of those was tagged at Stillwater OK, I presume via OSU by the Xerces Society, sporting a simple tag number XSTI.
She has also noted tag number PP0017 (tagged at Point Pelee, Ontario) and JMU011, tagged at Harrisonburg, VA. Me, I'd be interested in the ones tagged in NJ at Cape May ever made it southward at all, because the last word on those is that they kept coming back. Maybe weather kicked their butts into migration mode--who knows.