Kay: Name day
Name Day List: Kay
| Country | Day | Month | Names |
 USA | 22 | April | Caia, Caissa, Kai, Kaila, Kailey, Kaleigh, Kaley, Kay, Kayla, Kaylee, Kayleigh, Kayley, Kaylie, Kaylin, Kaylyn, Leonidas, Makayla, Mckayla |
Name Day List - similar names (Kay)
| Country | Day | Month | Names |
| USA | 8 | June | Cain, Caine, Calliope, Genesis, Jewel, Kane, Kanye, Kayne, Opal |
| USA | 29 | September | Carmichael, Mia, Micaela, Micah, Michael, Michaela, Micheal, Michele, Micheline, Michelle, Mickey, Miguel, Mikaela, Mikala, Mikayla, Mike, Mikel, Mitch, Mitchel, Mitchell |
| USA | 21 | November | Cade, Cadell, Cadence, Caden, Caiden, Cayden, Kade, Kaden, Kadence, Kadin, Kadyn, Kaiden, Kayden, Kaydence, Valda, Velda |