Erma's name day is April 7 in USA.
Erma is a feminine name that gained prominence in the United States during the early 20th century. Derived from Germanic roots involving elements related to the universal, it has a history of being a shortened, elegant variant. The mood of the name is soft, nostalgic, and grounded, offering a sense of vintage sophistication. While it is less common today, it remains a recognized name globally, particularly in Western cultures. It is strictly identified as a feminine name, maintaining its traditional status throughout its history. This name carries a quiet, unpretentious, and enduring appeal for those seeking a classic identifier.
| Country | Day | Month | Names |
 Norway | 29 | January | Herdis, Hermann, Hermod |
 Romania | 28 | February | Gherman, Ioan, Vasile |
 Lithuania | 25 | March | Bermantas, Kantrimas, Normantas, Normante |
 Croatia | 7 | April | Ivan de la Salle, Herman, Epifan |
 Czechia | 7 | April | Heřman, Hermína |
 Hungary | 7 | April | Herman |
| Lithuania | 7 | April | Donata, Hermanas, Kantaute, Minvydas |
 Poland | 7 | April | Donat, Donata, Epifaniusz, Hegezyp, Herman, Przecław, Rufin |
 Latvia | 11 | April | Hermanis, Ira, Irida, Vilmars |
| Poland | 11 | April | Filip, Herman, Jaromir, Leon, Marek |
 Spain | 2 | May | Germán, Araceli, Atanasio, Vindemial, Exuperio, Zoé, Mafalda |
| Croatia | 9 | May | Herman, Mirna, Beato, Kristofor |
| Spain | 9 | May | Gregorio, Hermas, Geroncio |
 Ukraine | 12 | May | Herman |
 Austria | 28 | May | Germanius, Wilhelm |
| Croatia | 28 | May | German |
 France | 28 | May | Germain |
| Poland | 28 | May | Augustyn, German, Jaromir, Priam, Wiktor, Wiktoriusz, Wilhelm, Wrócimir |
| Spain | 28 | May | Agustín, Bernardo, Emilio, Germán |
| Poland | 13 | June | Antoni, Chociemir, Herman, Lucjan, Maria Magdalena, Tobiasz |
| France | 15 | June | Germaine |
 Italy | 15 | June | Germana Cousin |
 USA | 15 | June | Alice, Alicia, Alisa, Alisha, Alison, Alissa, Allie, Allison, Allyson, Alyce, Alyse, Alysha, Alysia, Alyson, Alyssa, German, Germain, Germaine, Jermaine, Vidal, Vito |
 Greece | 28 | June | Germanos |
| Spain | 7 | July | Fermín, Roberto, Odón, Germano, Peregrino |
 Estonia | 12 | July | Hermann, Herman, Armand, Hermo, Härmo, Härm, Härmel |
 Finland | 12 | July | Herkko, Hermanni, Herman |
 Sweden | 12 | July | Herman, Hermine |
| USA | 16 | July | Carmel, Carmela, Carmelo, Carmen, Shelby, Sherman, Sherwood |
| Estonia | 30 | July | Kerman, Kermo, Roland |
| Austria | 31 | July | Hermann, Ignatius, Justinus |
 Denmark | 31 | July | Germanus |
| Denmark | 11 | August | Herman |
| Poland | 11 | August | Aleksander, Herman, Ligia, Lukrecja, Włodzimierz, Włodziwoj, Zula, Zuzanna |
| Austria | 24 | September | Gerhard, Hermann, Rupert, Virgil |
| France | 25 | September | Hermann |
| Poland | 10 | October | Franciszek, German, Kalistrat, Lutomir, Paulin, Tomił |
| Lithuania | 11 | October | Daugvyde, Germanas, Rimdaugas, Zina, Zinaida |
| Poland | 11 | October | Aldona, Brunon, Burchard, Dobromiła, Emil, Emilian, Emiliusz, Germanik, Maria, Marian, Placydia |
| Croatia | 30 | October | Marcel, Marojko, Lukan, German |
| Italy | 30 | October | Germano |
| Greece | 4 | November | Ermaios |