20
All Countries Name Day
Austria
Wendelin
Croatia
Irena
Czech Republic
Vendelín
Estonia
Jasper
Kaspar
Kasper
Finland
Kasperi
Kauno
France
Adeline
Aline
Germany
Wendelin
Ira
Irina
Greece
Artemios
Artemis
Diana
Hungary
Vendel
Italy
S. Irene
Aurora
Latvia
Leonids
Leonija
Lithuania
Adele
Adelina
Gedas
Poland
Budzislawa
Irena
Jan Kanty
Slovak Republic
Vendelín
Sweden
Sibylla (changed from Kasper in 1934)