Unknown; possibly a modern variant of Amarin or Amery.
Amryn is a modern invented name with no singular established etymology. It likely functions as a creative variation of names like Amery, meaning 'industrious,' or the Thai name Amarin, meaning 'immortal.' Its usage in the United States is very recent and remains rare.
About 57 girls were named Amryn in 2025.
US births per 5-year period, 1990–present (SSA data).