IvanmRussian, Bulgarian, Ukrainian, Belarusian, Serbian, Macedonian, Croatian, Czech, Slovak, Slovene, English, Italian, Portuguese, Romanian, Danish, Swedish, Norwegian, Estonian Newer form of the Old Church Slavic name Іѡаннъ (Ioannŭ), which was derived from Greek Ioannes (see John). This was the name of six Russian rulers, including the 15th-century Ivan III the Great and 16th-century Ivan IV the Terrible, the first tsar of Russia. It was also borne by nine emperors of Bulgaria. Other notable bearers include the Russian author Ivan Turgenev (1818-1883), who wrote Fathers and Sons, and the Russian physiologist Ivan Pavlov (1849-1936), who is best known for his discovery of the conditioned reflex.
MikhailmRussian, Belarusian, Bulgarian Russian and Belarusian form of Michael, and an alternate transcription of Bulgarian Михаил (see Mihail). This was the name of two Russian tsars. Other notable bearers include the Russian poet Mikhail Lermontov (1814-1841), the Soviet leader Mikhail Gorbachev (1931-2022), and the Latvian-Russian-American dancer Mikhail Baryshnikov (1948-).
TarasmUkrainian, Russian, Belarusian Ukrainian, Russian and Belarusian form of the Greek name Ταράσιος (Tarasios), which possibly means "from Taras". Taras was an Italian city, now called Taranto, which was founded by Greek colonists in the 8th century BC and was named for the Greek mythological figure Taras, a son of Poseidon. Saint Tarasios was an 8th-century bishop of Constantinople. It was also borne by the Ukrainian writer and artist Taras Shevchenko (1814-1861).
YuriymRussian, Ukrainian, Belarusian Russian, Ukrainian and Belarusian form of George. This name was borne by Yuriy Dolgorukiy, a 12th-century grand prince of Kyiv. The Soviet cosmonaut Yuriy (or Yuri) Gagarin (1934-1968), the first man to travel to space, was another famous bearer of this name.