Meaning and Name Origin
Rhowena \r-howena, rho-wena\ as a name for girls is of Old German origin, and the name Rhowena means "fame and happiness". Rhowena is a variant of Rowena (Old German): also possibly (Welsh) "slender and fair". Seldom used as a given name.
Rhowena is an uncommonly occurring first name for females. Rhowena is also an unusual last name for both adults and children. (2000 U.S. Census)
Below is a graphed comparison of the popularity of the girl name Rhowena and associated names. The only popular variation form of Rhowena (#unlisted) ranked in the Top 1000 is Rowena. This girl name was at the top of its popularity during the years 1890-1899 and is now significantly less widespread, with the form Rowena becoming less fashionable. (2014 Birth Statistics)