Lordly or masterful
Kyrillos is the Greek form of the name Cyril. It is derived from the Greek word 'kyrios', which translates to 'lord' or 'master', often used in a religious context to refer to God.
Less common today
Kyrillos isn't in the latest US Top 1000. It last peaked at #4,748 in 2013.
US births per 5-year period, 1990βpresent (SSA data).
5th-century Patriarch and theologian
4th-century theologian and Doctor of the Church
Current Patriarch of the Russian Orthodox Church