Gwin is of Welsh origin, derived from the word 'gwyn' which means 'white' or 'fair'. It was traditionally a male name but has also been used for females in recent times. The name Gwin is associated with Wales and its history, particularly during the Middle Ages when it was popular among the nobility.
The name Gwin experienced a period of popularity from the late 1940s to the early 1960s, with consistent birth counts ranging between 5 and 7 each year during this time.