Joslin

Joslin is an English surname with origins dating back to the Middle Ages. It is derived from the personal name “Joscelin,” which was popular in the Norman era. The name is believed to have originated from the Old Germanic name “Gauzelin,” meaning “pledge,” “hostage,” or “noble youth.” Today, the Joslin surname can be found all over the world, with concentrations in the United States and England. Notable individuals with the Joslin surname include diabetes researcher Elliott Joslin and actor David Joslin.