Jade
Spanish: jewel
Old English: a contemtuous term for a woman of uncertain temerament or repute
(Jada)

Jamie
Feminine for James
(Jami, Jaimie, Jayme, Jaymee)

Jane
Hebrew: God is gracious
(Jan, Jana, Janeen, Janine, Janet, Janette, Janice, Janis, Jayne, Janie, Jean, Jeanie, Jeanne, Jeanette, JoAnn, Johanna, Joan, Joanna, Joanne, Joni, Jonie, Juanita, Vanya)

Janel
Gaelic: darling, or dearest one
(Jane, Jannel, Jannell, Janell)

Janice
Hebrew: God is gracious
(Janis, Jan, Janet, Janell)

Jasmine
Persian: flower
(Ina, Jasmin, Jasmina, Jess, Jessamine, Jessamyn, Jessie, Yasmeen, Yasmine)

Jean
Scottish: God is gracious
(Jeane, Jeanne, Jeannie, Jeannine, Jeanette)

Jennifer
Welsh: fair one
Celtic: white wave
(Jen, Jena, Jenna, Jennie, Jenny, Jenifer, Jeni, Guinevere, Genevieve)

Jessica
Hebrew: woman of wealth
English: she of God's grace
(Jess, Jessalyn, Jessie, Jessy, Jessika)

Jewel
Old French: as a jewel, a precious gem
(Jewell, Jewalle, Jewelle)

Jillian
Latin: young child, youthful
(Jill, Jullie, Jilly, Gillian)

Joan
Hebrew: God is gracious
(Joanne, Joann, Joanna, JoAnn, JoAnne, Johanna, Johanne)

Jocelyn
Old English: just
Latin: merry
(Joyce, Jocelin, Joceline, Josie, Josey, Joy)

Jodie
feminine for Judah or Joesph
(Jodi, Jody, Jodette)

Josephine
Hebrew: feminine for Joseph
(Joe, Joey, Joline, Joleen, Jolene, Josee, Josey, Josie, Josephina, Josy)

Joy
Latin: joy of happiness

Joyce
Latin:joyous one
(Jocelyn, Joy, Joyous)

Juana
Spanish: form of Joan
(Juanita, Nita)

Judith
Hebrew: praise
feminine for Judah
(Judi, Judie, Judy)

Julia
Latin: youthful
English: changable
(Julie, Juliet, Juliette, Julietta, Juliane, Juliann, Julianne)

June
Latin: the calendar month, or youthful
(Junie)

Justine
Latin: just, wise