Marga's name day is March 8 in Latvia.
Marga is a name with a moderate global presence, particularly noted in European countries like Germany and the Netherlands, while being less common in the USA. It functions as a delightful short form of names like Margareta, which signifies "pearl." This name is consistently regarded as feminine worldwide, reflecting a classic and grounded mood. Historically, it has maintained an understated charm across different cultures. Its simple elegance projects a reliable and gently sophisticated tone.
| Country | Day | Month | Names |
 Greece | 25 | January | Grigorios, Gregory, Margarita |
 Lithuania | 22 | February | Darvydas, Elvinas, Gintaute, Margarita |
 Spain | 22 | February | Margarita, Leonor |
 Ukraine | 27 | February | Margaret |
| Lithuania | 10 | April | Agna, Apolonijus, Margarita, Mintautas |
 Bulgaria | 12 | April | Vencislav, Vencislava, Violeta, Varban, Girgin, Girgina, Dilyan, Dilyana, Zdravka, Zdravko, Latinka, Lilyana, Margarita, Nevena, Roza, Rosen, Rosica, Trendafil, Trendafilka, Tsvetan, Tsveta, Tsvetanka, Tsviatko, Tseno, Stanislav, Stanislava |
 Croatia | 10 | June | Margareta, Dijana, Bl. Ivan Dominici |
| Lithuania | 10 | June | Galindas, Margarita, Vingaile, Zybartas |
 Slovakia | 10 | June | Margaréta |
 USA | 10 | June | Daisy, Greta, Gretchen, Madge, Maggie, Margaret, Margarita, Margot, Marguerite, Marjorie, Meagan, Meg, Megan, Meghan, Peggy, Rita |
 Estonia | 13 | July | Margareeta, Margit, Mareta, Maret, Marita, Marit, Marge, Mare, Meeta, Greta, Grete, Kreet, Kreeta, Reet, Reeda |
 Latvia | 13 | July | Alda, Margarita, Margrieta, Mariska, Perle |
 Austria | 20 | July | Apollinaris, Bernhard, Margaretha |
 Finland | 20 | July | Marketta, Maarit, Maaret, Margareeta, Reeta, Reetta |
 Germany | 20 | July | Margarete |
 Norway | 20 | July | Margareta, Margit, Marit |
 Sweden | 20 | July | Greta, Margareta |
 Russia | 30 | July | Margarita, Marina |
| Greece | 1 | September | Simeon, Ourania, Penelope, Joshua, Mando, Clea, Aspasia, Antigoni, Margaret, Athina |
| Austria | 16 | October | Gallus, Hedwig, Margareta |
| Croatia | 16 | October | Margareta Marija Alacoque |
| Lithuania | 16 | October | Ambraziejus, Dovalde, Gutautas, Jadvyga, Margarita |
| Spain | 16 | October | Margarita, María Alacoque |
| Austria | 2 | November | Angela, Margarethe, Tobias |
| Austria | 16 | November | Margareta, Otmar |
| Croatia | 16 | November | Margareta Škotska kr. |
| Spain | 16 | November | Edmundo, Margarita |