| Czech Republic | Miroslava |
| Denmark | Irene |
| Estonia | Ireene, Irene, Reena, Reene, Rena, Renate |
| Finland | Ira, Irene, Irina, Iro |
| Finland-Swedish | Ira, Irene |
| France | Irène |
| Hungary | Vince |
| Latvia | Aivija, Vidaga, Vija |
| Lithuania | Irena, Irenius, Rimvydas, Vincentas, Zenius, Zenonas, Žygintė |
| Norway | Eiril, Eirin, Irene |
| Poland | Borzywoj, Irena, Jam, Wincenty |
| Sweden | Irene, Irja |