Guyaume

Guyaume is a rare French form of the Germanic name Wilhelm, which is composed of the elements 'wil' (will, desire) and 'helm' (helmet, protection). The name was introduced to England by the Normans and became extremely popular in various forms across Europe. While William became the dominant form in English-speaking countries, Guyaume represents a less common, older French variant.

Its usage is primarily historical and regional within French-speaking areas, particularly in older texts or specific dialects. It shares its root with many other European names, reflecting the widespread influence of Germanic names during the early medieval period. The shift from 'W' to 'G' and the 'h' dropping are common phonetic changes seen in the evolution of Germanic names into Romance languages.