Meaning and Name Origin
Ossin has 1 variant: Ossian.
Ossin is an uncommonly occurring given name for males. Ossin is an equally uncommon surname for all people. (2000 U.S. Census)
Below is a graphed analysis of the usage of the boy name Ossin and corresponding names. The only prominent alternative form of Ossin (#unlisted) is Oisin. These names are not commonly used for boys. (Top 1000 Baby Names Statistics, 2014)