Pleasantness
Niomie is a rare phonetic variant of the Hebrew name Naomi. It shares the same etymological root meaning 'pleasantness' or 'delightful', though it is much less common than the traditional spelling.
Less common today
Niomie isn't in the latest US Top 1000. It last peaked at #10,971 in 2018.
US births per 5-year period, 1990βpresent (SSA data).