See also the related category greek.
Polymnia is not regularly used as a baby name for girls. It is not listed in the top 1000 names.
Baby names that sound like Polymnia include Polymniah, Palomeana, Palomeena, Palomeina, Palomiena, Pellonea, Pelloniah, Pelonea, Poliana, Polianna, Polimnia, Pollyana, Pollyanna (English), Polyana, Polyanna, Polyhymnia, Polyhymniah, Palmelia, Palemona, and Palma (English and Spanish).
† approx English pronunciation for Polymnia: P as in "pea (P.IY)" ; AA as in "odd (AA.D)" ; L as in "lay (L.EY)" ; IH as in "it (IH.T)" ; M as in "me (M.IY)" ; N as in "knee (N.IY)" ; IY as in "eat (IY.T)" ; AH as in "mud (M.AH.D)"