The provided information indicates that the name Ija is culturally associated with a name day observance in Latvia. This annual celebration for Ija occurs specifically on the date of June 12th.
The given name Ija is extremely uncommon within the United States, marking it as a distinctly rare immigrant name rather than a commonly adopted one. Its linguistic origin typically traces back to Baltic or Slavic traditions, where it often signifies concepts relating to light or purity. Historically established as a feminine name, Ija maintains this gender classification globally despite its brevity. The overall mood of Ija is characterized by sophisticated simplicity and a grounded strength, projecting elegance without being overly decorative. Its short, distinct phonetic structure lends itself to a timeless tone.
| Country | Day | Month | Names |
 Croatia | 1 | January | Marija |
 Lithuania | 2 | January | Fulgentas, Gailute, Marvydas, Stefanija |
| Croatia | 5 | January | Emilijana, Radoslav, Miljenko |
| Croatia | 7 | January | Rajmund, Lucijan, Zorislav |
| Croatia | 9 | January | Julijan, Živko, Miodrag |
| Lithuania | 9 | January | Algis, Bazile, Gabija, Marcijona |
| Lithuania | 11 | January | Audrius, Marcijonas, Stefanija, Vilne |
| Lithuania | 12 | January | Cezarija, Cezarijus, Ernestas, Lingaile, Vaigedas |
 Latvia | 16 | January | Lida, Lidija, Lija |
| Croatia | 20 | January | Fabijan, Sebastijan |
| Latvia | 21 | January | Agne, Agnese, Agnija, Agnis |
| Croatia | 23 | January | Emerencijana, Ema, Vjera, Milko |
| Latvia | 24 | January | Eglons, Kriss, Ksenija |
| Lithuania | 24 | January | Arturas, Felicija, Gaivile, Marvydas, Sarunas, Vilgaudas |
| Croatia | 25 | January | Ananija |
| Croatia | 27 | January | Angela, Vitalijan, Pribislav |
| Croatia | 2 | February | Marijan |
| Croatia | 4 | February | Katarina, Andrija, Veronika |
 Finland | 6 | February | Terhi, Teija, Tiia, Tea, Terhikki |
| Croatia | 9 | February | Apolonija, Zora, Sunčica |
| Finland | 9 | February | Raija, Raisa |
| Latvia | 9 | February | Apollonija, Apolonija, Gaisma, Simona |
| Lithuania | 9 | February | Alge, Apolonija, Erikas, Joviltas |
| Croatia | 12 | February | Reginald, Damjan, Eulalija |
| Lithuania | 12 | February | Benediktas, Deimante, Eulalija, Mantminas |
| Croatia | 16 | February | Onezim, Julijana, Miljenko |
| Latvia | 16 | February | Dzuljeta, Juliana, Julija, Smuidra |
| Croatia | 18 | February | Angelico, Šimun, Flavijan, Gizela |
| Latvia | 18 | February | Indra, Kintija, Konkordija, Kora, Vizma |
| Finland | 19 | February | Eija |
| Latvia | 22 | February | Aldris, Ariadna, Ariana, Arija, Rigonda |
| Finland | 25 | February | Tuija, Tuire, Jessica, Vanessa |
| Latvia | 27 | February | Andra, Daiva, Liva, Livija |
| Latvia | 5 | March | Aurelija, Aurora, Austra |
| Croatia | 10 | March | Emilijan, Emil, Krunoslav |
| Latvia | 10 | March | Adrians, Kira, Laimrota, Liliana, Silvija |
| Croatia | 12 | March | Bernard, Budislav, Maksimilijan |
| Latvia | 12 | March | Aija, Aiva, Aivis, Ausmins, Gregors |
| Croatia | 13 | March | Rozalija, Ratka, Kristina |
| Croatia | 20 | March | Klaudija, Dionizije, Vladislav |
| Croatia | 21 | March | Kristijan, Vesna, Vlasta |
| Lithuania | 24 | March | Daumantas, Donardas, Gabrielius, Ganvile, Liucija |
| Finland | 25 | March | Aija, Aava |
| Latvia | 26 | March | Dabrelis, Eizenija, Emanuels, Zenija |
| Croatia | 27 | March | Ivan Damašć., Rupert, Lidija, Lada |
| Lithuania | 27 | March | Aleksandras, Alkmenas, Lidija, Ruta |
| Latvia | 28 | March | Eizenija, Ginta, Gunda, Gunta, Zenija |
| Latvia | 29 | March | Agija, Aldonis, Ilma, Ranta |
| Latvia | 30 | March | Ilgmaris, Ilgmars, Larisa, Nanija |
| Latvia | 5 | April | Mirjama, Vidaga, Vija, Virdzinija |
| Lithuania | 8 | April | Dionyzas, Girtautas, Julija, Skirgaile |
| Croatia | 9 | April | Marija Kleofina, Demetrije |
| Latvia | 9 | April | Valerija, Valtrauta, Varpa, Zubite |
| Croatia | 14 | April | Valerijan, Maksim |
| Croatia | 15 | April | Krescent, Bosiljka, Anastazija |
| Croatia | 18 | April | Eleuterija, Amadej |
| Latvia | 19 | April | Fanija, Liba, Vesma |
| Croatia | 20 | April | Janja, Marcijan |
| Latvia | 21 | April | Anastasija, Margers, Margonis, Nilola |
| Lithuania | 21 | April | Amalija, Anzelmas, Milgedas, Skalve |
| Lithuania | 28 | April | Rimgaile, Valerija, Vitalius, Vygantas |
| Latvia | 30 | April | Liana, Liliana, Lilija, Linda |
| Lithuania | 30 | April | Marijonas, Sofija, Venta, Virbutas |
| Croatia | 4 | May | Florijan, Cvjetko, Cvijeta |
| Croatia | 8 | May | Marija posrednica, Marina, Ida |
| Latvia | 8 | May | Aiga, Ceronis, Inita, Stanislavs, Stefanija |
| Latvia | 10 | May | Maija, Mairita |
| Latvia | 12 | May | Ina, Inara, Inars, Valida, Valija |
| Croatia | 14 | May | Matija, Mate, Matko, Matea |
| Croatia | 15 | May | Solinski mucenici, Sofija |
| Latvia | 15 | May | Arita, Saulnesis, Sofija, Taiga |
| Lithuania | 15 | May | Algedas, Izodorius, Jaunute, Sofija |
| Croatia | 16 | May | Ivan Nepomuk, Andrija Bobola, Nenad |
| Latvia | 18 | May | Cindija, Eriks, Inese, Inesis |
| Latvia | 21 | May | Ernestine, Ingmars, Vinija |
| Latvia | 22 | May | Emilija, Mile |
| Lithuania | 22 | May | Aldona, Eimantas, Elena, Julija, Rita |
| Latvia | 23 | May | Leontine, Ligija, Lonija |
| Croatia | 24 | May | Marija Pom., Prijenos sv. Dom. |
| Latvia | 24 | May | Agate, Anslavs, Estere, Ilvija, Marlena, Ziedone |
| Latvia | 28 | May | Vilhelms, Vilis, Villija |
| Croatia | 1 | June | Marija, Justin, Malden |
| Latvia | 2 | June | Emma, Emmija |
| Latvia | 4 | June | Elfrida, Frederika, Gaigala, Sintija |
| Croatia | 5 | June | Bonifacije, Valerija, Darinka |
| Lithuania | 7 | June | Lukrecija, Radvyle, Ratautas, Robertas |
| Croatia | 8 | June | Dijana, Cecilija, Medardo, Vilim |
| Croatia | 10 | June | Margareta, Dijana, Bl. Ivan Dominici |
| Latvia | 14 | June | Kitija, Klitija, Saiva, Sentis, Tija |
| Latvia | 15 | June | Banuta, Benno, Vilija, Zermena |
| Lithuania | 15 | June | Bargaile, Krescencija, Tanvilas, Vitas |
| Croatia | 18 | June | Marko, Marcelijan, Ljubomir |
| Lithuania | 21 | June | Alicija, Aloyzas, Galminas, Vasare |
| Latvia | 22 | June | Laimdots, Ludmila, Paija |
| Croatia | 23 | June | Josip Caffasso, Sidonija, Zdenka |
| Latvia | 25 | June | Maiga, Milija |
| Latvia | 28 | June | Kitija, Vidars, Viestarts, Viesturs |
| Lithuania | 30 | June | Adele, Emilija, Liucina, Novile, Tautginas |
| Finland | 2 | July | Maria, Maija, Mari, Meeri, Kukka-Maaria, Maaria, Maiju, Maikki, Marika, Riia |
| Croatia | 6 | July | Marija Goretti |
| Croatia | 7 | July | Vilibald, Vilko, Klaudija |
| Lithuania | 8 | July | Arnoldas, Elzbieta, Elze, Vaitautas, Valmante, Virga, Virginija |
| Croatia | 9 | July | Marija Petkovic |
| Croatia | 10 | July | Amalija, Alma, Ljubica, Ljuba |
| Latvia | 10 | July | Lielvardis, Lija, Olivija, Uve |
| Lithuania | 10 | July | Amalija, Eirime, Gilvainas |
| Latvia | 15 | July | Egija, Egmonts, Egons, Ruta |
| Lithuania | 15 | July | Gerimante, Mantas, Rozalija, Roze |
| Latvia | 18 | July | Rozalija, Roze, Rozite |
| Croatia | 20 | July | Ilija prorok, Ilijana |
 USA | 20 | July | Edna, Edwin, Edwina, Elias, Elijah, Ellice, Elliot, Elliott, Ellis, Ellison, Neal, Neala, Neil, Neila, Nelson, Niall, Nigel, Niles |
| Croatia | 22 | July | Marija Magdalena |
| Latvia | 22 | July | Margita, Marija, Marika, Marina, Marisandra |
| Lithuania | 22 | July | Dalius, Magdalena, Mantile, Marija |
| Latvia | 26 | July | Ance, Aneta, Anna, Annija |
| Croatia | 27 | July | Klement Ohridski, Natalija m. |
| Lithuania | 27 | July | Natalija, Sergijus, Svalia, Zintautas |
| Latvia | 28 | July | Cecilija, Cilda |
| Croatia | 3 | August | Bl. Augustin Kažotic, Lidija |
| Croatia | 4 | August | Ivan M. Vianney, Ivica, Tertulijan |
| Lithuania | 7 | August | Drasutis, Jogile, Kajetonas, Klaudija, Sikstas |
| Lithuania | 10 | August | Aiste, Asterija, Astra, Laurynas, Norimantas |
| Lithuania | 11 | August | Klara, Ligija, Visalgas, Visvile, Zuzana |
| Croatia | 12 | August | Anicet, Hilarija |
| Croatia | 13 | August | Poncijan, Hipolit, Ivan Berchmans |
| Croatia | 14 | August | Maksimilijan Kolbe, Alfred |
| Croatia | 15 | August | Marija, Velika |
| Croatia | 17 | August | Hijacint Poljak, Slobodan |
| Latvia | 19 | August | Imanta, Marlene, Melanija |
| Croatia | 22 | August | BD Marija Kraljica, Regina, Vladislava |
| Lithuania | 24 | August | Alicija, Baltramiejus, Baltrus, Rasuole, Viesvilas |
| Croatia | 25 | August | Ljudevit IX., Josip Kalasancijski, Patricija |
| Lithuania | 25 | August | Liucija, Liudas, Liudvikas, Mangailas, Mangaile |
| Latvia | 26 | August | Bronislava, Bronislavs, Glauda, Natalija, Nate |
| Lithuania | 28 | August | Augustinas, Patricija, Steigvile, Tarvilas |
| Latvia | 30 | August | Alija, Alvis, Jolanta |
| Lithuania | 30 | August | Adauktas, Auguna, Gaudencija, Kintenis |
| Latvia | 3 | September | Bella, Berta, Klaudija, Klaudijs, Slaida |
| Lithuania | 4 | September | Gemante, Girstautas, Rozalija, Roze |
| Croatia | 5 | September | Bl. Majka Terezija, Lovro Just., Roman |
| Latvia | 5 | September | Klaudija, Perse, Persijs, Vaida |
| Croatia | 6 | September | Zakarija pr., Davor |
| Croatia | 10 | September | Nikola Tolentino, Pulherija, Lijepa |
| Lithuania | 10 | September | Girminte, Konstancija, Koste, Mikalojus, Tautgirdas |
| Croatia | 11 | September | Hijacint, Cvjetko, Miljenko |
| Latvia | 11 | September | Girts, Nansija, Signe, Signija |
| Croatia | 12 | September | Ime Marijino, Marija |
| Lithuania | 12 | September | Gvidas, Marija, Tolvaldas, Vaidmante |
| Lithuania | 15 | September | Eugenija, Nikodemas, Rimgaile, Vismantas |
| Croatia | 16 | September | Kornelije, Cipirijan |
| Lithuania | 18 | September | Galmante, Mingailas, Stefa, Stefanija |
| Croatia | 19 | September | Januarije, Emilija |
| Finland | 19 | September | Reija |
| Croatia | 20 | September | Andrija |
| Croatia | 25 | September | Nikola of Flue, Aurelija, Kleofa, Firmin |
| Lithuania | 25 | September | Aurelija, Kleopas, Ramvyde, Vaigintas |
| Lithuania | 30 | September | Bytaute, Jeronimas, Sofija, Zymantas |
| Croatia | 1 | October | Tereza, Terezija |
| Croatia | 3 | October | Kandid, Maksimilijan, Evald |
| Finland | 4 | October | Saija, Saila, Sinna, Frans, Siina |
| Croatia | 5 | October | Rajmund of Capua, Flavijan, Miodrag |
| Latvia | 5 | October | Amalija, Male |
| Latvia | 8 | October | Aina, Anastasija, Aneta, Anita |
| Croatia | 10 | October | Franjo Borgija, Danijel, Danko |
| Croatia | 11 | October | Emilijan, Bruno K. |
| Finland | 13 | October | Taija, Taina, Tanja |
| Croatia | 15 | October | Terezija Avilska, Tereza, Zlata |
| Croatia | 16 | October | Margareta Marija Alacoque |
| Croatia | 18 | October | Luka ev., Trifonija |
| Latvia | 20 | October | Leonids, Leonija |
| Croatia | 21 | October | Uršula, Hilarija |
| Croatia | 22 | October | Marija Saloma, Dražen, Cedomil |
| Lithuania | 22 | October | Aliodija, Mingede, Severinas, Viltaras |
| Lithuania | 23 | October | Odilija, Ramvyde, Sanginas |
| Lithuania | 25 | October | Darija, Inga, Svitrigaila, Vaigede |
| Latvia | 3 | November | Dagnija, Erika |
| Lithuania | 3 | November | Hubertas, Narvaine, Silvija, Vydmantas |
| Croatia | 8 | November | Gracija Kotorski, Milotislav, Bogdan |
| Latvia | 11 | November | Nellija, Ojars |
| Lithuania | 11 | November | Anastazija, Martynas, Milvyde, Naste, Vygintas |
| Latvia | 12 | November | Kaija, Kornelija, Kornelijs |
| Latvia | 13 | November | Eizens, Jevgenija, Jevgenijs, Taida |
| Latvia | 16 | November | Banga, Dzirkstite, Glorija |
| Lithuania | 17 | November | Benedita, Getautas, Gilvile, Viktorija |
| Latvia | 19 | November | Betija, Elizabete, Liza, Lize |
| Croatia | 22 | November | Cecilija, Filemon |
| Lithuania | 22 | November | Cecilija, Cile, Darginte, Steikintas |
| Finland | 25 | November | Katri, Kaija, Katja, Kaisa, Kati, Kaarina, Kaisu, Katariina, Katriina, Riina |
| Latvia | 28 | November | Lukrecija, Olita, Rita, Vita |
| Croatia | 30 | November | Andrija, Andreja |
| Lithuania | 1 | December | Algmina, Butigeidas, Eligijus, Natalija |
| Croatia | 2 | December | Bibijana, Blanka |
| Lithuania | 2 | December | Aurelija, Milmante, Paulina, Svirgailas |
| Latvia | 3 | December | Daile, Evija, Jogita, Raita |
| Lithuania | 3 | December | Atalija, Audinga, Gailintas, Ksaveras |
| Latvia | 5 | December | Klaudija, Klaudijs, Sabine, Sarma, Sarmite |
| Latvia | 7 | December | Anta, Antonija, Dzirkstite, Tonija |
| Croatia | 8 | December | Valerija, Zdravka |
| Croatia | 9 | December | Gospa Loretska, Julija, Judita |
| Lithuania | 9 | December | Gedene, Leokadija, Vakaris, Valerija |
| Lithuania | 10 | December | Eidimtas, Eularija, Ilma, Loreta |
| Croatia | 12 | December | Lucija, Jasna, Svjetlana |
| Latvia | 12 | December | Iveta, Otilija |
| Finland | 13 | December | Seija |
| Latvia | 13 | December | Lucija, Veldze |
| Lithuania | 13 | December | Eivilte, Kastautas, Kastytis, Liucija, Otilija |
| Croatia | 16 | December | Lazar, Izak, Jolanda, Florijan |
| Croatia | 17 | December | Gacijan, Bosiljko, Rufo, Dražen |
| Lithuania | 17 | December | Drovyde, Jolanta, Mantgailas, Olimpija |
| Croatia | 22 | December | Ivan Kentijski, Viktorija |
| Latvia | 23 | December | Balva, Viktorija |
| Lithuania | 23 | December | Mina, Veliuona, Viktorija, Vilbutas |
| Croatia | 24 | December | Christmas (Božić), Hence Božidar, Božo, Natalija, Nataša |
| Lithuania | 25 | December | Eugenija, Gene, Grazvydas, Sanrime |
| Latvia | 26 | December | Dainuvite, Gija, Saulvedis |
| Lithuania | 31 | December | Gedgantas, Melanija, Mingaile, Silvestras |