Alekséi / Alexios / Alexis / Alexey / Oleksiy

Alekséi is the Russian and Belarusian form of the Greek name Alexios, which is derived from the Greek word 'alexo' (ἀλέξω), meaning 'to defend' or 'to help'. The name has a long history, dating back to ancient Greece, and was borne by several Byzantine emperors and saints. It gained significant popularity in Russia due to its association with Saint Alexius of Rome, a 5th-century ascetic. The name has been a consistent favorite in Russia for centuries, often associated with strength, protection, and leadership.

Its adoption into the Slavic world was primarily through the Eastern Orthodox Church, where Saint Alexius was highly venerated. Over time, the name evolved into its current Russian form, Alekséi, and has been borne by numerous prominent figures, including members of the Russian imperial family. Its enduring appeal is a testament to its strong meaning and historical significance within Russian culture.