Unknown; possibly a modern variant of Don or Danae.
Donyea is a rare contemporary name with no single established etymology. It is likely a creative American coinage, potentially blending the masculine 'Don' with a melodic suffix, or serving as a phonetic variation of the Greek name Danae or the French surname-turned-first-name Denier.
Less common today
Donyea isn't in the latest US Top 1000. It last peaked at #4,743 in 1998.
US births per 5-year period, 1990βpresent (SSA data).