What does Oswin mean?
For more on this name, see also the related boy name Oswald.
Oswin is an uncommonly occurring given name for men. Oswin is an equally uncommon surname for both adults and children. (2000 U.S. Census)
Oswald is the only prominent varying form of Oswin (#unlisted). These boy names were at the height of their popularity during the years 1900-1909 (usage of 0.455%) and are now much less popular, with Oswald becoming less in vogue. Displayed below is an analysis of the popularity of the boy name Oswin and associated names. (Top 1000 Baby Names Records, 2014)