The given name Rubin has its origins in the Hebrew language and culture, derived from the Hebrew word "רובין" (rubin), which means "ruby." The name's earliest known usage can be traced back to the Middle Ages in Jewish communities throughout Europe and the Middle East.

Rubin was likely a descriptive name given to children with reddish or ruby-colored hair or complexion. It may have also been used as a symbolic name, representing the precious ruby gemstone, which was associated with beauty, wealth, and nobility in various cultures.

One of the earliest recorded instances of the name Rubin can be found in the Zohar, a influential work of Kabbalah (Jewish mysticism) written in the 13th century. Here, Rubin is mentioned as the name of a Rabbi and scholar from the medieval period.

Throughout history, several notable individuals have borne the name Rubin. One of the earliest was Rubin ben Simcha, a renowned Talmudic scholar and rabbi who lived in the 12th century in Mainz, Germany. Another prominent figure was Rubin Simonov (1600-1670), a Russian merchant and entrepreneur who played a significant role in the development of trade routes between Russia and Europe.

In the 19th century, Rubin Salomon Rubinstein (1835-1901), a Russian-Jewish pianist and composer, gained international recognition for his virtuosic performances and contributions to the Romantic piano repertoire. Rubin Carter (1937-2014), an American-Canadian boxer and activist, became well-known for his wrongful conviction and subsequent exoneration after spending nearly 20 years in prison.

A more recent figure is Rubin Kazan (1939-2022), an Israeli painter and sculptor who pioneered the use of found objects and recycled materials in his artwork, earning him widespread acclaim in the contemporary art world.

While Rubin is predominantly a masculine name, it has occasionally been used as a feminine name as well, particularly in Jewish communities. However, its usage as a first name has been more widespread among men throughout history.