Thu, of Vietnamese origin, is a unisex given name that means 'autumn'. It is often associated with the season's beauty and tranquility.
Over the years, Thu has seen a steady decline in its popularity as a baby name, with a peak of 55 births in 1983 and a recent low of 6 births in 2015. However, there was a brief increase to 12 births in both 2017 and 2018. Overall, Thu has been given to 832 babies between 1975 and 2018.