Ada’s name days are recognized across numerous European countries and the United States. Celebrations occur in Lithuania on February 10 and July 28, in Norway on March 4, and in Sweden on March 10. Poland observes the name day twice, on April 6 and December 24, while Latvia celebrates on July 8 and July 23. Other dates include July 28 in Austria, October 21 in Ukraine, and December 4 in the USA.
Ada is a classically feminine name with dual origins, stemming from both Germanic terms for nobility and Hebrew words meaning ornament. In the USA, the name enjoyed peak popularity around the turn of the 20th century before experiencing a significant modern revival. The name exudes a mood of sophisticated strength, recognized for being both vintage and elegantly concise. Its short, two-syllable structure provides a crisp, refined tone suitable for contemporary use. Worldwide, Ada is universally recognized and used exclusively as a female identifier. This balance of ancient origin and modern sensibility defines its lasting appeal.
| Country | Day | Month | Names |
 Spain | 5 | January | Amada, Simón, Simona, Emiliana |
 USA | 5 | January | Ladarius, Ladd, Laird, Lamont, Lane, Tania, Tanya, Tatiana, Tatyana, Tawni, Tawnya, Tia, Tiana, Tianna, Tonya |
 Czechia | 9 | January | Vladan |
 Bulgaria | 14 | January | Nina, Adam, Kalcho |
 Ukraine | 14 | January | Adam, Nina |
| Bulgaria | 1 | February | Lozan, Trifon, Veselin, Radko, Veselina, Rada, Radka |
| Czechia | 8 | February | Milada |
 Poland | 14 | February | Adolf, Adolfa, Adolfina, Alf, Cyryl, Dobiesława, Dobisława, Józef, Józefa, Konrad, Konrada, Krystyna, Lilian, Liliana, Mikołaj, Niemir, Niemira, Walenty, Zenon, Zenona |
 Austria | 16 | February | Adalbert, Juliana, Liane, Philippa |
 Lithuania | 19 | February | Konradas, Nida, Sarunas, Zuzana |
| Poland | 19 | February | Arnold, Arnolf, Bądzisława, Gabin, Henryk, Konrad, Konrada, Leoncjusz, Manswet, Marceli |
 Hungary | 20 | February | Aladár, Álmos |
| USA | 14 | March | Adalbert, Albert, Alberto, Dalbert, Delbert, Elbert, Mathilda, Matilda, Maude, Tilda |
 Croatia | 27 | March | Ivan Damašć., Rupert, Lidija, Lada |
| USA | 30 | March | Adin, Adon, Adonia, Adonis, Amada, Amadea, Amadeus |
| Hungary | 20 | April | Tivadar |
 Italy | 20 | April | Adalgisa |
| Poland | 21 | April | Addar, Anzelm, Bartosz, Drogomił, Feliks, Irydion, Konrad, Konrada, Selma |
| Austria | 23 | April | Adalbert, Georg, Jörg, Jürgen |
| Lithuania | 23 | April | Adalbertas, Daugaudas, Jurgis, Vygaile |
| Poland | 23 | April | Adalbert, Gerard, Gerarda, Gerhard, Helena, Jerzy, Wojciech |
| Spain | 23 | April | Adalberto, Jorge, Gorka |
 Estonia | 24 | April | Vanda, Vaida, Aada, Iida |
| Poland | 11 | May | Adalbert, Benedykt, Filip, Franciszek, Iga, Ignacja, Ignacy, Lew, Lutogniew, Mamert, Mira, Żegota |
| USA | 25 | May | Madalyn, Madeleine, Madeline, Madelyn, Madilyn, Marlee, Marleen, Marlena, Marlene, Marley |
| Lithuania | 1 | June | Galinde, Jogaila, Juvencijus, Konradas |
| Poland | 1 | June | Alfons, Alfonsyna, Bernard, Fortunat, Gracjana, Hortensjusz, Jakub, Konrad, Konrada, Magdalena, Nikodem, Świętopełk, Symeon |
 Latvia | 6 | June | Adalberts, Ardis, Arnis, Ingrida, Vairis |
| Austria | 20 | June | Adalbert, Florentina |
 Germany | 20 | June | Adalbert |
| Spain | 23 | June | Alicia, Apolo, Inmaculada, Walter, Agripina |
| Lithuania | 27 | June | Ema, Gediminas, Norgaile, Vladas, Vladislovas |
| Bulgaria | 15 | July | Vladimir, Vladimira, Vlada, Vladena, Gospodin, Gospodinka |
| Latvia | 30 | July | Madara, Renars, Rosalinde, Valters |
| Croatia | 1 | August | Alfons, Vjera, Nada |
| Poland | 1 | August | Brodzisław, Justyn, Konrad, Konrada, Nadia, Piotr |
| Czechia | 7 | August | Lada |
| Latvia | 7 | August | Alfreds, Helara, Madars |
| Latvia | 9 | August | Gedimins, Genoveva, Madara, Tautgodis |
| Lithuania | 30 | August | Adauktas, Auguna, Gaudencija, Kintenis |
| Poland | 30 | August | Adaukt, Częstowoj, Gaudencja, Miron, Rebeka, Róża, Szczęsna, Szczęsny, Tekla |
| Hungary | 9 | September | Ádám |
| USA | 9 | September | Jada, Jade, Jadee, Jaden, Jadon, Jadyn, Jaiden, Jayda, Jayden, Jaydon |
| Bulgaria | 17 | September | Lyuba, Lyuben, Lyubomir, Lyubov, Nadezhda, Nadya, Sevda, Sofiya, Sofia, Vera, Vyara, Viara, Verin, Veradin, Vyara, Dragan, Drago, Dragoi, Dragomir, Nada, Lubomir, Lubomira |
| Hungary | 27 | September | Adalbert |
| Lithuania | 27 | September | Adalbertas, Damijonas, Daugile, Kesgaile, Kovaldas |
| USA | 2 | October | Ackerley, Ackley, Adair, Forest, Forester, Forrest, Foster, Elwood |
| Poland | 4 | October | Edwin, Franciszek, Konrad, Konrada, Manfred, Manfreda, Rozalia |
| Austria | 6 | October | Adalbero, Bruno, Melanie |
| Germany | 6 | October | Adalbero |
| Lithuania | 28 | October | Almante, Gaudrimas, Simas, Simonas, Tadas |
| Bulgaria | 8 | November | Angel, Angelina, Arhangel, Gavrail, Gavril, Emil, Emilia, Emiliana, Mihaela, Mihail, Ognyan, Ognyana, Plamen, Plamena, Rada, Radka, Radko, Rafail, Raia, Raika, Raina, Rangel, Emiliya, Emiliyana, Emiliyan, Lina, Mila, Milen, Milyo, Mihaela, Mihail, Radivoy, Radoslav, Radoslava, Radostin, Radostina, Raiko, Raycho, Rangel, Rafail, Raya, Rusi |
| Hungary | 9 | November | Tivadar |
| Poland | 21 | November | Albert, Alberta, Albertyna, Janusz, Konrad, Konrada, Maria, Piotr, Regina, Rena, Rufus, Twardosław, Wiesław |
| Poland | 26 | November | Delfin, Dobiemiest, Jan, Konrad, Konrada, Lechosław, Lechosława, Leonard, Sylwester |
| Spain | 8 | December | Concepción, Inmaculada, Pura |
 Greece | 11 | December | Adam, Abraham, Dan, Rachel, Ruben, Rebecca, David, Deborah, Noah, Sarah, Aaron |
| Spain | 12 | December | Chantal, Guadalupe |
| USA | 12 | December | Finley, Finn, Fiona, Guadalupe, Lupe, Lupita, Mekhi |
| Bulgaria | 14 | December | Adam |
| Czechia | 15 | December | Radana, Radan |
 Finland | 16 | December | Auli, Aulikki, Aada, Adele |
| Croatia | 23 | December | Adam, Eva |
 Sweden | 23 | December | Adam |
| Austria | 24 | December | Adam, Eva |
| Czechia | 24 | December | Adam, Eva |
 Denmark | 24 | December | Adam, Alexandrine |
| Estonia | 24 | December | Aadam, Tammo, Tamur, Eeva, Eevi, Eva, Eve, Evi, Ivi, Iivi, Ivika, Eveli, Evelin |
| Hungary | 24 | December | Ádám, Éva |
| Latvia | 24 | December | Adams, Ieva |
 Norway | 24 | December | Adam, Eva |
 Slovakia | 24 | December | Adam, Eva |
| USA | 24 | December | Adan, Adana, Adam, Adamina, Addison, Ava, Eva, Eve, Evelyn |
| Slovakia | 29 | December | Milada |