What does Rastus mean?
Rastus /ras-tus/ [2 sylls.] as a boys' name. Diminutive of Erastus (Greek) "loving".
How popular is Rastus?
Rastus is an unusual given name for males and an unusual last name too for both adults and children. (2000 U.S. Census)
The only popular alternative form of Rastus (not ranked) is Erastus. Forms like Eraste are uncommon. Adoption of this boy name was at its peak during the years 1880-1889 (usage of 0.402%) and is now much less. Below is a graphed analysis of the usage of Rastus and associated names. (Top 1000 Baby Names Statistics, 2014)
A recommended similar baby name is Rasmus. Like Rastus, this name is not commonly used.