Janey
Origin
From Jane + -y, q.v. Doublet of Ivanka, Jan, Janelle, Janet, Janine, Jeanette, Jeanie, Jeannette, Jeannine, Jen, Jenna, Jenny, Jessie, Jo, Jody, Juanita, Shanae, Sinead, and Vanna.
Janice
French
Variant of Jane under apparent influence from Alice, Bernice, Eunice, etc., from French Jeanne, from Middle French Jehanne, from Medieval Latin Johanna, variant of Latin Ioanna under influence from Latin Iōhannēs, from Koine Greek Ἰωάννα (Iōánna), from Hebrew יוֹחָנָה (Yôḥānāh, literally “God is gracious”), the feminized form of יְהוֹחָנָן (Yəhōḥānān) which produced John and its many doublets. As a placeholder name, cf. similar use of John and Jack and earlier use of Joan in the same role. Doublet of Ivana, Jana, Janis, Jean, Jeanne, Jen, Joan, Joanna, Joanne, Johanna, Juana, Shavonne, Sian, Siobhan, Shane, Shaun, Shauna, and Sheena.
Janine
French
From French Janine and Jeannine under influence from Jane, from Jeanne + -ine, q.v. Doublet of Ivanka, Jan, Janelle, Janet, Janey, Jeanette, Jeanie, Jeannette, Jeannine, Jen, Jenna, Jenny, Jessie, Jo, Jody, Juanita, Shanae, Sinead, and Vanna.
Janis
Origin
A variant of Janice. Doublet of Ivana, Jana, Janice, Jean, Jeanne, Jen, Joan, Joanna, Joanne, Johanna, Juana, Shavonne, Sian, Siobhan, Shane, Shaun, Shauna, and Sheena.
Jared
Latin
From Latin Iared, from Ancient Greek Ἰαρέδ (Iaréd), from Biblical Hebrew יֶרֶד (yéred). Often explained as deriving from the root י־ר־ד (y-r-d), which forms words relating to descending (see Jordan and ירדן for more); some interpret the Book of Enoch as suggesting that the Jared in the Bible was so named because it was in his time that two hundred angels descended from Heaven to Mount Hermon. Alternatively, sometimes explained as deriving from the root ר־ד־ה (r-d-), which forms words relating to ruling.