I don't think Spiridon could be called a variant transcription in the case of Russia; it is just the Russian form of Spyridon. After all, all Greek names containing -y- become -i- in Russian (since the Russian alphabet doesn't have a separate letter for the "ee"-sound written as 'y'). Just compare:- Cyrus --> Kir - Cyril --> Kirill - Neophytos --> Neofit - Tryphon --> TrifonAnd so on. :)Anyway, Spiridon is also the "national" form of Spyridon in:- Croatia - Georgia (written as სპირიდონ in Georgian) - Serbia (written as Спиридон in Serbian). [noted -ed]