The name Truett is a boy's name . Truett and is often added to user-created lists like Names I Love, But Can't Use and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
Truett is one of the trendier names in the Tru- family (True, Truman etc), which was used for 92 boys in the US last year. Truett is deeply associated with the Baptist church in the Southern USA due to former leader George Truett. Truitt is another spelling, less commonly used.