| Country | Day | Month | Names |
 USA | 1 | March | Chapman, Dina, Dinah, Glen, Glenda, Glenn, Glenna, Seth |
| USA | 2 | March | Absalom, Aksel, Axel, Chad, Chadwick |
| USA | 3 | March | Alasdair, Alastair, Alec, Alejandra, Alejandro, Alex, Alexa, Alexander, Alexandra, Alexandria, Alexia, Alexis, Alexus, Ali, Alondra, Dale, Darnell, Lex, Lexi, Lexie, Lexus, Sandra, Sandy, Sasha, Xander, Zander |
| USA | 4 | March | Casimir, Humbert, Humberto, Kasimir, Kasimira, Placida, Placidia |
| USA | 5 | March | Ciara, Ciera, Cierra, Keira, Keren, Keri, Kerri, Kerrie, Kerry, Kiara, Kiera, Kieran, Kierra, Sierra |
| USA | 6 | March | Carlton, Charlton, Colette, Collette |
| USA | 7 | March | Davon, Devan, Deven, Devin, Devon, Devonta, Devonte, Devyn, Dewey, Lothar, Luther |
| USA | 8 | March | Humfrey, Humphrey, Ponty |
| USA | 9 | March | Keely, Kelda, Kelley, Kelli, Kellie, Kelly |
| USA | 10 | March | Les, Lesley, Leslie, Lesly, Lester |
| USA | 11 | March | Alberta, Albertina, Angus, Connie, Constance, Constantine, Consuela, Consuelo, Elberta, Ramiro |
| USA | 12 | March | Graig, Grayson, Greg, Gregoria, Greorgio, Gregory, Orion |
| USA | 13 | March | Rod, Rodd, Roderica, Roderick, Rodney, Rodrigo, Rory, Solomon |
| USA | 14 | March | Adalbert, Albert, Alberto, Dalbert, Delbert, Elbert, Mathilda, Matilda, Maude, Tilda |
| USA | 15 | March | Eloise, Lois, Louella, Louisa, Louise, Luella, Luisa, Lulu |
| USA | 16 | March | Bailee, Bailey, Baylee, Bayley, Melisa, Melissa, Melita, Melyta, Millicent, Millie, Missy |
| USA | 17 | March | Paden, Pat, Patrice, Patricia, Patrick, Patsy, Patti, Patty, Trish, Trisha |
| USA | 18 | March | Cyril, Cyrilla, Grover, Salvador, Salvatore, Sibyl, Sybil, Sybilla |
| USA | 19 | March | Donahue, Donavan, Donovan, Dorian, Joe, Joey, Jose, Josef, Joseph, Wyatt |
| USA | 20 | March | Dillan, Dillion, Dillon, Drew, Dru, Dylan, Dylon |
| USA | 21 | March | Arvin, Arwin, Bendix, Benedict, Benedicta, Bennett |
| USA | 22 | March | Lea, Leah, Lee, Leigh, Leighton, Parker |
| USA | 23 | March | Calhoun, Drake, Paloma, Pam, Pamela |
| USA | 24 | March | Gabe, Gabriel, Gabriela, Gabriella, Gabrielle, Gigi |
| USA | 25 | March | Allegra, Chiquita, Teena, Tina, Tiny |
| USA | 26 | March | Dudley, Geomar, Hunt, Hunter, Huntley, Xiomar, Xiomara |
| USA | 27 | March | Acher, Archibald, Archie, Montgomery, Monte, Monty |
| USA | 28 | March | Gwen, Gwenda, Gwendolyn, Gwyn, Gwynn, Gwynne |
| USA | 29 | March | Berthold, Fletcher, Pearl, Pearle, Pearlie, Pearline, Perla |
| USA | 30 | March | Adin, Adon, Adonia, Adonis, Amada, Amadea, Amadeus |
| USA | 31 | March | Ames, Amos, Bambi, Thurston |
