What does Ruby mean?
Ruby \r(u)-by\ as a name for boys (also used more commonly as girls' name Ruby) is of Hebrew derivation, and the name Ruby means "see, a son". Ruby is a variation of Reuben (Hebrew): from the original form Reuven. Somewhat uncommon as a name for newborns.
Ruby is an uncommon given name for men but a very popular last name for all people (#3478 out of 88799, Top 4%). (2000 U.S. Census)
Presented below is the baby name popularity of Ruby for boys. Ruby reached its apex position of #585 in the U.S. during the years 1890-1899, but is not in the list at the moment. (Top 1000 Baby Names Statistics, 2014)
Ruben (#357 last year), Reuben (#848), Rubin and Rube are the popular variation forms of Ruby. Usage of these boy names reached its apex during the years 1890-1899 and is now much lower, with the forms Ruby, Rubin, Rube and Reuben becoming less in vogue. Below is a graphed analysis of the popularity of the boy name Ruby and related names. (Top 1000 Baby Names Statistics, 2014)
Ruby▼ is pronounced similarly to Rabi, Robby▼, Robi, Rubi and Rubio. Other recommended similar baby names are Rab, Rob▼, Robb▼, Rudy▼, Rugby and Ruy. These names tend to be more commonly used than Ruby.