Siobhan

Anglicized spelling of Irish Siobhán, from Middle Irish Sibán, from Anglo-Norman Jehane or Jehanne, from Old French Jehanne, from Medieval Latin Johanna, variant of Joanna, from Koine Greek Ἰωάννα (Iōánna), from Hebrew יוֹחָנָה (Yôḥānāh, literally “God is gracious”), the feminized form of יְהוֹחָנָן (Yəhōḥānān) or יוֹחָנָן (Yōḥānān), which produced John and its many doublets.

Doublet of Ivana, Jana, Jane, Janice, Janis, Jean, Jeanne, Jen, Joan, Joanna