Bun is of Vietnamese origin and has two primary meanings: "cloud" and "cooked rice." It's composed of two characters, "bính" meaning "cloud" and "nhan" meaning "cooked rice." In Vietnamese culture, Bun is often associated with nature and sustenance, two fundamental aspects of life. The name Bun can also be found in other cultures, such as Chinese, where it may have different meanings or pronunciations. However, its most common usage is among the Vietnamese community worldwide.
The name Bun experienced a notable resurgence around the mid-20th century, with an increase from only 5 births in 1892 to 7 births in 1927. However, it seems this growth was not sustained into the late 20th century, as there were again only 5 births each in 1983 and 1986. Overall, over these four years, a total of 22 babies named Bun were born.