| Country | Day | Month | Names |
 Estonia | 16 | January | Ilmar, Ilmo, Illimar |
 USA | 16 | January | Aaliyah, Aleah, Aliyah, Paine, Payne, Phillis, Phyllis, Pilar, Priscilla |
| USA | 16 | March | Bailee, Bailey, Baylee, Bayley, Melisa, Melissa, Melita, Melyta, Millicent, Millie, Missy |
| USA | 20 | March | Dillan, Dillion, Dillon, Drew, Dru, Dylan, Dylon |
| Estonia | 6 | April | Villem, Ville, Villi, Villo, Villu |
| USA | 8 | April | Gillian, Jill, Jillian, Jolyon, Julia, Julian, Juliana, Julianna, Julianne, Julie, Julien, Juliet, Juliette, Julio, Julissa, Julius |
 Ukraine | 21 | April | Phillipa |
| Estonia | 19 | May | Emilie, Emma, Miili, Milja, Milla, Milli |
| Estonia | 20 | May | Liilia, Lilian, Liili, Lille, Lilli, Lilja |
 Finland | 20 | May | Lilian, Lilja, Karoliina, Lila, Lili, Lilli, Lilia |
| USA | 26 | May | Felipe, Flip, Phil, Philip, Philippa, Phillip |
 Latvia | 28 | May | Vilhelms, Vilis, Villija |
 Norway | 28 | May | Vilhelm, William, Willy |
| USA | 25 | June | Bill, Billie, Billy, Guillermo, Liam, Mina, Minnie, Prosper, Velma, Vilma, Wilhelmina, Will, William, Willie, Willis, Wilma, Wilson |
 Austria | 7 | July | Edda, Firmin, Willibald |
 France | 8 | July | Edgar, Killian, Priscillia, Thibault |
| USA | 27 | July | Joy, Joyce, Lila, Lilac, Liliana, Lillian, Lillie, Lilly, Lily |
| Norway | 16 | September | Lillian, Lilly |
 Bulgaria | 11 | October | Filip, Phillip |
| Ukraine | 22 | October | Maximillian, Max |
| Austria | 7 | November | Carina, Engelbert, Willibrord |
