Spiros is of Greek origin, derived from the ancient Greek word "spêros," which means "vigorous" or "alert." It was a popular name among early Christians and is still used today in Greece, as well as in other countries with significant Greek populations. The name Spiros has two syllables and rhymes with "tyrus." It is often associated with the similar-sounding English name Spencer. There are no variations of Spiros that have gained significant popularity; however, it may be spelled as Spyros or Spiridon. Notable individuals with this name include Spiros Markeas, a Greek poet, and Spiros Zodias, an American artist.
"The name Spiros experienced a notable rise in popularity between the late 1960s and early 1970s, with a peak of 20 births recorded in 1974. However, since then, its usage has significantly declined, with fewer than 10 births per year after 2014. Overall, there have been a total of 633 births named Spiros from 1918 to 2023."