First name origin & meaning:
Hebrew: God is gracious; a feminine version of John
First name variations: Jayne, Jain, Jan, Janie, Jannie, Janet, Janot, Janeth, Janina, Janyce, Janis, Janith, Janna, Jina, Joan, Joanna, Jo Ann, Johanna, Joann, Joanne, Jovanna, Joni, Janey, Gianina, Giovanna, Juana, Juanita, Sinead, Shena, Sheena, Sine, Seonaid, Jane
Last name origin & meaning:
Possibly an altered spelling of English Jannis, a patronymic
from the personal name Jan (see Jayne).