Combination of Don and Ontario
A modern American invention likely created by blending the name Don, meaning 'world ruler,' with Ontario, the name of the Canadian province and Great Lake. The suffix -ario adds a rhythmic, melodic quality common in late 20th-century African American naming traditions.
Less common today
Dontario isn't in the latest US Top 1000. It last peaked at #5,357 in 1994.
American football player
NFL defensive tackle (similar variant)
US births per 5-year period, 1990–present (SSA data).
