Lejeune is a French given name of Germanic origin, derived from the Old Frankish personal name 'Lietgō', which is composed of the elements 'liut' meaning 'people' and '-gō' meaning 'go'. The name was introduced to France during the Middle Ages by way of the Normans. Lejeune is predominantly found in French-speaking countries, with its usage extending to other Francophone regions as well.
"Lejeune was quite popular in 1921 with five births that year."