| Country | Day | Month | Names |
 Lithuania | 28 | January | Gedautas, Leonidas, Nijole |
 Poland | 28 | January | Agnieszka, Augustyn, Flawian, Ildefons, Julian, Karol, Leonidas, Piotr, Radomir, Roger, Waleriusz |
 Greece | 15 | April | Leonidas, Leo |
 Austria | 22 | April | Alfred, Kaj, Leonidas |
| Lithuania | 22 | April | Leonas, Leonidas, Norvaide, Visgailas |
 USA | 22 | April | Caia, Caissa, Kai, Kaila, Kailey, Kaleigh, Kaley, Kay, Kayla, Kaylee, Kayleigh, Kayley, Kaylie, Kaylin, Kaylyn, Leonidas, Makayla, Mckayla |
 Spain | 10 | June | Amalia, Amelia, Getulio, Críspulo, Asterio, Trinidad, Máximo |
| Poland | 15 | June | Abraham, Angelina, Bernard, Jolanta, Leona, Leonida, Nikifor, Wit, Witold, Witołd, Witolda, Witosław, Wodzisław |
| Poland | 12 | August | Bądzisław, Hilaria, Klara, Lech, Leonida, Piotr |
 Latvia | 16 | October | Daiga, Daigone, Dainida, Egils |
| Spain | 30 | October | Bienvenida, Claudio |
