The name Cameryn has its origins in the Celtic culture of ancient Britain. It is derived from the Brythonic word "camro," meaning "crooked" or "bent," which likely referred to a physical characteristic or geographic feature associated with an early bearer of the name.

In its earliest recorded form, the name appeared as "Camrin" in ancient Welsh genealogies and texts dating back to the 6th century AD. Over time, it evolved into various spellings, including "Cameryn," "Camryn," and "Cameren," as it spread across the British Isles and beyond.

One of the earliest known historical figures bearing this name was Cameryn ap Gwynllyw, a Welsh prince who lived in the late 5th century AD. He was renowned for his piety and is venerated as a saint in the Welsh tradition.

During the Middle Ages, the name gained popularity among noble families in Wales and England. A notable bearer was Cameryn de Beaumont, a Norman knight who fought alongside William the Conqueror at the Battle of Hastings in 1066.

In the 13th century, a Scottish cleric named Cameryn of Argyll played a significant role in the negotiations between King Alexander II of Scotland and the English crown, demonstrating the name's presence in different regions of the British Isles.

Another historical figure of note was Cameryn ap Rhys, a Welsh warrior and diplomat who lived in the late 14th century. He is remembered for his pivotal role in the Glyndŵr Rising, a Welsh rebellion against English rule.

In the literary realm, the name appeared in Geoffrey of Monmouth's influential work "Historia Regum Britanniae" (History of the Kings of Britain), written in the 12th century. It was borne by a fictional character, Cameryn the Courteous, who embodied the chivalric ideals of the time.

While the name Cameryn has ancient roots and a rich historical legacy, it has experienced a resurgence in popularity in modern times, particularly in English-speaking countries. However, as per your request, recent census data and contemporary usage have not been included in this detailed report.