5 April | Austria | Crescentia, Vinzenz | Croatia | Irena, Vinko | Czechia | Miroslava | Denmark | Irene | Estonia | Ireene, Irene, Reena, Reene, Rena, Renate | Finland | Ira, Irene, Irina, Iro | France | Irène | Germany | Juliana | Hungary | Vince | Italy | Vincenzo | Latvia | Mirjama, Vidaga, Vija, Virdžīnija | Lithuania | Irena, Rimvydas, Zenius, Zenonas, Žygintė | Norway | Eiril, Eirin, Irene | Poland | Borzywoj, Irena, Wincenty | Romania | Agatopod, Teodul | Slovakia | Miroslava | Spain | Vicente | Sweden | Irene, Irja |
|