In 1980 a Dallas radio station had a contest to help name the team. 41 people turned in the name "Mavericks" out of 4,600 entries. The committee chose the name and recommended it to the teams owner....
Lo-Ball
The Mavericks got their name from the 1957-1962 TV western Maverick.
A long time ago they had a contest on the name of their team, and Mavericks were the chosen mascot.
American Airlines Center