YagodaJewish (Russified) Russified form of Iyeguda. It also means "berry" in Russian. This was the surname of Genrikh Yagoda, the head of the NKVD (1934-1936).
YezhovmRussian Derived from Russian word "ёж (yozh)" meaning hedgehog. Yezhov was the last name of Nikolay Yezhov, the leader of the Soviet NKVD from 1936-38 who is known for Yezhovshchina.
YmykovmYakut From Yakut ымыы (ymyy), meaning "crossbill (bird)".
YurovskiymRussian, Polish (Russified) Alternate transcription of Yurovsky. This was the last name of Yakov Yurovskiy, a notable Bolshevik. He led the execution of the Romanovs.