Rastus is an uncommon given name, originating from Wales, where it is derived from the Welsh word 'rhedyn', meaning fern. It is a unisex name, though more commonly used for males. There are no well-known figures named Rastus, contributing to its rarity and uniqueness. The name Rastus might evoke images of nature and growth, given its botanical origin.
The name Rastus saw fluctuations over the years, with periods of increased popularity around 1912 and 1918-1921, but remained relatively uncommon overall, peaking at just 10 births in those years.