Llewyn is a distinctive boys' name in United States, ranking #3336 in 2015 with 34 recorded births. This places Llewyn in the top 24% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 58 births ranking #2425. In 2015, approximately 1 in every 56,361 boys born was named Llewyn. FALLING Recent data shows the name is currently falling.