If we looks at list of actual and former TOP100 players FROM RUSSIA or theirs big prospects we will notice how often is same names always repeat
Anastasia Myskina, Anastasia Pavlyuchenkova, Anastasia Pivovarova, Anastasia Rodionova
Anna Kournikova, Anna Chakvetadze, Anna Smashnova**, Anna Lapushchenkova
Elena Dementieva, Elena Bovina, Elena Likhovtseva, Elena Vesnina, Elena Makarova, Elena Kulikova
Evgenia Linetskaya, Evgenia Rodina, Evgenia Maniokova, Evgenia Kulikovskaya
Maria Sharapova, Maria Kirilenko, Maria Mokh
Olga Morozova, Olga Poutchkova
Svetlana Kuznetsova, Svetlana Cherneva
Tatiana Panova, Tatiana Golovin**
Vera Zvonareva, Vera Dushevina
Ksenia Pervak, Ksenia Lykina
Which is actually bizzare, especially if we notice that many of this names are not even TOP10 popular names in Russia or Moscow (more than 60% Rusian players are from Moscow area).
RUSSIA TOP10 MOST COMMON NAMES: Elena, Olga, Tatiana, Irina, Natalia, Anna, Svetlana, Maria, Marina, Ludmilla
MOSCOW TOP10 MOST COMMON NAMES: Anastasiya, Maria, Daria, Inna, Polina, Yekaterina, Ksenia, Viktoria, Yelizaveta, Sofia
(source:
Wikipedia)
But Russia is not only country with strange distribution tennis talents by names.
Good example is Serbia where "Ana" is not TOP5 name by popularity, but 3 out of current 7 best ranked girls from Serbia has this name. Jelena is not even TOP10 name by popularity in Serbia or Belgrade, but 2 out of our 4 TOP5 WTA players (Jankovic and Dokic) has that name. Name Monica (Monika actually) is very rare in Serbia or Vojvodina region (with theirs Hungarian ethnic minority)... less than 0.01% (something like Dinara in Russia or Venus in USA), but that was name of our most famous tennis and sportswomen champion in history (Monica Seles).