The name Gera has a designated name day celebrated on March 4th in the country of Bulgaria.
The name Gera is rarely encountered as a formal standalone name in the USA, often functioning as a nickname for longer names like Gerald or Geraldine. Its origin is remarkably diverse, stemming from both Hebrew roots, potentially meaning "grain," and extensive use as a Slavic diminutive of established masculine names. While generally classified as masculine, particularly in Eastern Europe, its brief, simple structure sometimes leads to a unisex perception globally. Gera projects a mood that is concise, strong, and traditionally grounded, suggesting a reliable and straightforward personality. This name’s distinctive character is defined by its cross-cultural heritage and succinct nature.
| Country | Day | Month | Names |
 Poland | 30 | January | Adelajda, Feliks, Gerard, Gerarda, Gerhard, Hiacynta, Maciej, Marcin, Martyna, Sebastian |
 Greece | 4 | March | Gerasimos |
 Lithuania | 10 | March | Butgaile, Emilis, Geraldas, Naubartas |
 USA | 19 | April | Garey, Garett, Garret, Garrett, Garvey, Garvin, Gary, Gerald, Geraldine, Geri, Gerry, Jared, Jarod, Jarred, Jarrett, Jarrod, Jerald, Jeri, Jerod, Jerri, Jerrod, Jerry |
| Poland | 23 | April | Adalbert, Gerard, Gerarda, Gerhard, Helena, Jerzy, Wojciech |
 Latvia | 26 | April | Alina, Geraldine, Rusins, Sandris |
| Lithuania | 24 | May | Gerardas, Gina, Vilmantas |
 France | 29 | May | Aymar, Géraldine, Maximin |
| Lithuania | 24 | September | Gedvinas, Gedvine, Gerardas |
| Poland | 24 | September | Gerard, Gerarda, Gerhard, Maria, Teodor, Tomir, Uniegost |
 Spain | 24 | September | Gerardo, Mercedes |
| France | 3 | October | Gérard, Sybille |
 Italy | 3 | October | Gerardo di Brogne |
| Poland | 3 | October | Eustachiusz, Eustachy, Ewald, Gerard, Gerarda, Gerhard, Heliodor, Józefa, Kandyd, Sierosław, Teresa |
 Austria | 13 | October | Eduard, Gerald |
| France | 13 | October | Géraud |
| Poland | 13 | October | Daniel, Edward, Gerald, Geraldyna, Maurycy, Mikołaj, Siemisław, Teofil |
| Poland | 16 | October | Ambroży, Aurelia, Dionizy, Florentyna, Galla, Gallina, Gaweł, Gerard, Gerarda, Gerhard, Grzegorz, Radzisław |
| USA | 16 | October | Avice, Avis, Gerar, Gerard, Gerardo, Gerrard, Hedda, Hedwig, Hedy, Heide, Heidi, Jerard, Noah, Noe |
| Greece | 20 | October | Artemios, Gerasimos, Diana, Kerasia |
| Lithuania | 24 | November | Gerardas, Mantvinas, Zybarte |
| Poland | 24 | November | Dobrosław, Emilia, Emma, Flora, Franciszek, Gerard, Gerarda, Gerhard, Jan, Mina, Pęcisław, Protazy |
| Austria | 5 | December | Anno, Gerald, Niels, Reinhard |
| France | 5 | December | Gérald, Gérard |
| Poland | 5 | December | Anastazy, Gerald, Geraldyna, Kryspina, Krystyna, Pęcisława, Saba |
Bulgaria