See also the related category hebrew.
Gibbethon is not commonly used as a baby girl name. It is not in the top 1000 names.
A baby name that sounds like Gibbethon is the name Gibbethone.
† approx English pronunciation for Gibbethon: JH as in "joy (JH.OY)" ; IH as in "it (IH.T)" ; B as in "be (B.IY)" ; TH as in "theme (TH.IY.M)" ; N as in "knee (N.IY)"