Alexey is of Greek origin, meaning 'defender of mankind'. It is a variation of the name Alexander, which was borne by several prominent figures throughout history, including the ancient Macedonian conqueror Alexander the Great. The name Alexey has been used in Russia and other Slavic countries for centuries, often alongside its diminutives like Alyosha or Shura.
"Alexey had its peak popularity in 2000 with nine births that year."