Oswin is a distinctive boys' name in United States, ranking #6952 in 2014 with 12 recorded births. This places Oswin in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 28 births ranking #3861. In 2014, approximately 1 in every 160,037 boys born was named Oswin. FALLING Recent data shows the name is currently falling.