According to this site, the name
ROI could either be a Galician short form of
RODRIGO or mean "my shepherd" in Hebrew. According to this site,
ROY is derived from Gaelic ruadh meaning "red".
Those familiar with French should also know another meaning for
ROI and
ROY. The French word "roi" (pronounced "rwa") means "king" (which is found in the word "royal"). One example of this name being used with the French pronounciation is in former professional hockey player
Patrick Roy, who is considered by many hockey fans as the best goalkeeper in NHL history.