Markos is a name of Greek origin, meaning "dedicated to Mars," the Roman god of war. It is the Greek form of Marcus and was borne by several saints in the Christian era. The name gained prominence during the Byzantine Empire and has since been used widely among Eastern Orthodox Christians. In the United States, Markos first appeared as a given name for males in 1978, with its usage fluctuating slightly over time but remaining relatively uncommon compared to other names like Mark or Markus.
The name Markos experienced a noticeable rise in popularity between the late 1970s and mid-1990s, with a significant spike occurring around 1994. Since then, its popularity has fluctuated but generally remained high until around 2015 when it started to decline slightly. The total number of births recorded for the name Markos over this period is 1006.