Bright, snowy, or river name
Neiva is a name with multiple possible roots, most notably associated with the Neiva River in Russia and a city in Colombia. In a Spanish context, it is often linked to the word 'nieve' meaning snow, while in other traditions it may be a variant of names meaning bright or radiant.
Less common today
Neiva isn't in the latest US Top 1000. It last peaked at #7,842 in 1990.
US births per 5-year period, 1990βpresent (SSA data).