What does Osage mean?
Osage \o-sa-ge\ as a boys' name is of Native American Indian origin. Name of a Native American tribe of the Plains, who were displaced from Missouri and Arkansas into smaller land holdings in Oklahoma.
Osage is a rare first name for men and a rare surname too for both adults and children. (2000 U.S. Census)
Charted below is the baby name popularity of Osage for boys. Osage has not been recorded in the Top 1000 so far. (2014 Birth Statistics)