J:
John
Jalen
Jane
Jared
Jasmin
Jason
Jasper
Javier
Jaya
Jena
Jeremy
Jesse
Jessy
Jimmy
Joan
Joanna
Jonah
Jonas
Josephine
Jolie
Jordan
Jorja
Josh/Joshua
Joss
Jude
Jules
Julia/Juliet(te)
June
Juno
Justin
D:
Dahlia
Daisy
Dakota
Damian
Daphne
Darren/Darryl
Dave
Dawn
Dayton
Dean
Declan
Delilah
Demi
Dennis/Dennison
Derek
Desmond
Devin
Dewi
Dex
Dillon
Dorian
Dominic/ Dominique
Duke
Dune
Duncan
