| Czech Republic | Cecílie |
| Denmark | Cecilia |
| Estonia | Cecilia, Säsil, Silja, Silje, Sille |
| Finland | Selja, Silja |
| Finland-Swedish | Cecilia, Silja |
| France | Cécile |
| Hungary | Cecilia |
| Latvia | Aldis, Aldris, Alfons |
| Lithuania | Cecilija, Cilė, Dargintė, Steigintas |
| Norway | Cecilie, Silje, Sissel |
| Poland | Cecylia, Marek, Wszemiła |
| Sweden | Cecilia, Sissela |