Nhan is of Vietnamese origin, derived from the word 'nhan' which means 'smart' or 'intelligent'. It's a unisex given name, though it's more commonly used for males. The name Nhan gained popularity in Vietnam during the late 20th century and has since become quite prevalent both within the country and in Vietnamese communities abroad.
The name Nhan had its peak popularity in the late 1980s to early 1990s with consistently high numbers of births per year. However, since around the mid-1990s, the popularity has significantly declined, reaching a low point in recent years with only single-digit births annually.