Berta's name day is observed on various dates throughout the year across multiple European countries. These dates include February 8 in Sweden, May 1 in Germany and Spain, and May 15 in Poland. Other commemorations fall on July 4 in Austria and Croatia, August 6 in Hungary, August 31 in Norway, and September 23 in Czechia. Name days are also celebrated in Slovakia (July 2), Estonia (August 24), Latvia (September 3), and Austria again on November 28.
Berta is a classic feminine name derived from the ancient Germanic element *beraht*, signifying "bright" or "famous." Historically, it found significant use in the USA during the turn of the 20th century, often associated with European immigration, though it is rare today. The name projects a sturdy and traditional mood, suggesting a dependable and robust personality rather than a fragile one. It maintains a worldwide identity as a distinctly female name, having always been associated with feminine naming conventions. Its etymological history connects it to a long lineage of names emphasizing clarity, brilliance, and renown.
| Country | Day | Month | Names |
 Latvia | 14 | January | Raitis, Roberta, Roberts |
 Lithuania | 18 | January | Gedgaudas, Jogaile, Jolita, Liberta |
 USA | 19 | January | Bob, Bobbi, Bobbie, Bobby, Robbie, Robert, Roberta, Roberto, Robin, Robinson, Robyn |
 Spain | 23 | January | Alberto, Ildefonso, Alberta, Armando, María Paz, Xenia |
| USA | 4 | February | Byron, Gilbert, Gilberta, Gilberto, Gilmer |
 Poland | 18 | February | Albert, Alberta, Albertyna, Fryda, Konstancja, Krystiana, Maksym, Sawa, Sylwan, Sylwana, Symeon, Więcesława, Zula, Zuzanna |
| USA | 11 | March | Alberta, Albertina, Angus, Connie, Constance, Constantine, Consuela, Consuelo, Elberta, Ramiro |
| Poland | 16 | April | Benedykt, Bernadetta, Cecyl, Cecylian, Charyzjusz, Erwin, Erwina, Julia, Ksenia, Lambert, Lamberta, Nikita, Nosisław, Patrycy, Urban |
 Bulgaria | 17 | April | Roberta |
| Lithuania | 17 | April | Anicetas, Dravenis, Giedrius, Robertas, Skaidra |
| Poland | 17 | April | Anicet, Innocenta, Innocenty, Jakub, Józef, Klara, Radociech, Robert, Roberta, Rudolf, Rudolfa, Rudolfina, Stefan |
| Lithuania | 23 | April | Adalbertas, Daugaudas, Jurgis, Vygaile |
| Poland | 29 | April | Angelina, Augustyn, Bogusław, Hugo, Hugon, Paulin, Piotr, Rita, Robert, Roberta, Sybilla |
| Poland | 13 | May | Andrzej, Aron, Ciechosław, Gloria, Magdalena, Piotr, Robert, Roberta, Serwacy |
| Lithuania | 6 | June | Meta, Norbertas, Paulina, Tauras |
| Poland | 6 | June | Benignus, Dominika, Klaudiusz, Laurenty, Norbert, Norberta, Paulina, Symeon, Więcerad |
| USA | 6 | June | Dante, Donte, Delaney, Norbert, Norberta, Norberto |
| Lithuania | 7 | June | Lukrecija, Radvyle, Ratautas, Robertas |
| Poland | 7 | June | Antoni, Ciechomir, Jarosław, Lukrecja, Paweł, Robert, Roberta, Wiesław, Wisław |
| Lithuania | 14 | July | Eigile, Libertas, Vydas |
| Poland | 18 | July | Arnold, Arnolf, Erwin, Erwina, Kamil, Karolina, Robert, Roberta, Szymon, Unisław, Wespazjan |
| Poland | 7 | August | Albert, Alberta, Albertyna, Anna, Dobiemir, Donat, Donata, Doris, Dorota, Kajetan |
 Hungary | 24 | August | Bertalan |
| Poland | 17 | September | Ariadna, Dezyderiusz, Drogosław, Franciszek, Hildegarda, Justyn, Justyna, Lambert, Lamberta, Narcyz, Teodora |
| Lithuania | 27 | September | Adalbertas, Damijonas, Daugile, Kesgaile, Kovaldas |
| Lithuania | 24 | October | Daugailas, Gilbertas, Rapolas, Svitrigaile |
| Lithuania | 3 | November | Hubertas, Narvaine, Silvija, Vydmantas |
| Poland | 3 | November | Bogumił, Cezary, Chwalisław, Hubert, Huberta, Sylwia |
| USA | 3 | November | Hobart, Hubert, Huberta, Malachi, Silvia, Sylvia, Winfred, Winifred, Winnie |
| Lithuania | 15 | November | Albertas, Leopoldas, Vaidilas, Zadvyde |
| Poland | 15 | November | Albert, Alberta, Albertyna, Artur, Artus, Idalia, Leopold, Leopoldyna, Przybygniew, Roger |
| Lithuania | 21 | November | Alberta, Eibarte, Gomantas, Honorijus |
| Poland | 21 | November | Albert, Alberta, Albertyna, Janusz, Konrad, Konrada, Maria, Piotr, Regina, Rena, Rufus, Twardosław, Wiesław |
| USA | 17 | December | Eleazar, Lazar, Lazaro, Lazarus, Olympia, Orval, Orville, Storm, Stormie, Stormy, Wilbert, Wilberta, Wilbur |
Sweden 
Germany 
Slovakia 
Austria 
Croatia 
Estonia 
Norway 
Czechia