See also the related category greek.
Althia is not widely used as a baby name for girls. It is not in the top 1000 names.
Baby names that sound like Althia include Althya, Aldea, Aldeah, Aldiya, Aldiyah, Aleda (English), Aledah, Alitza (English and Hebrew), Alitzah (Hebrew), Alleta, Alletta, Allida, Allita, Allitta, Altheda, Altheya, Alyda, Alyta, Alytash, and Alytashe.
† approx English pronunciation for Althia: AE as in "at (AE.T)" ; L as in "lay (L.EY)" ; TH as in "theme (TH.IY.M)" ; IY as in "eat (IY.T)" ; AH as in "mud (M.AH.D)"