Ada's name days are celebrated on February 10 and July 28 in Lithuania, March 4 in Norway, March 10 in Sweden, April 6 and December 24 in Poland, July 8 and July 23 in Latvia, July 28 in Austria, October 21 in Ukraine, and December 4 in the USA.
The name Ada has seen significant fluctuations in popularity throughout history, recently experiencing a resurgence in the USA and maintaining steady appeal across Europe. Its origins are linked to the Germanic element "adal," signifying nobility, while in Hebrew, it holds the meaning of "ornament" or "beauty." The name is almost universally recognized as a female given name worldwide. Ada evokes a mood of classic elegance and simple sophistication, with a versatile charm that feels both historical and contemporary. Historically popular in the late 19th century, its revival demonstrates a timeless quality. The short, two-syllable structure contributes to its strong yet gentle tone.
| 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 |