25 July | Austria | Jakobus, Thomas, Valentina | Bulgaria | Ana, Yana | Croatia | Beata, Jakov, Krsto, Valentina | Czechia | Jakub | Denmark | Jacobus | Estonia | Jaagup, Jaak, Jaako, Jaap, Jako, Jakob, Jass | Finland | Jaakko, Jaakob, Jaakoppi, Jimi | France | Jacques, Valentine | Greece | Anna | Hungary | Jakab, Kristóf | Italy | Cristoforo, Giacomo | Latvia | Jēkabs, Marika | Lithuania | Aušrinė, Jokūbas, Kristupas | Norway | Jack, Jakob, Jim | Poland | Jakub, Krzysztof, Nieznamir, Sławosz, Walentyna | Romania | Ana | Slovakia | Jakub | Spain | Jaime, Santiago | Sweden | Jakob |
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