Alligator or semi-aquatic reptile
Derived from the Spanish and Portuguese word for a semi-aquatic reptile similar to an alligator, native to Central and South America. The term likely has roots in the Taíno or Carib languages of the Caribbean. As a name, it is a modern choice that aligns with the trend of using animal-inspired and nature-based surnames.
Less common today
Caiman isn't in the latest US Top 1000. It last peaked at #8,533 in 2015.
US births per 5-year period, 1990–present (SSA data).
