4 Tranquil names that mean tranquil for boys, listing Tranquil baby names 1-4. Jalen, Pacifico, Sereno and Sheehan are uncommon names. View Tranquil baby names for name meanings, search Tranquil names for girls, or search other baby names.
Jalen Modern name, probably from Galen (Greek) "healer; tranquil" with a J-. 
Pacifico ... "Calm, tranquil." ... 
Sereno ... "Tranquil." ... 
Sheehan ... "Small and tranquil."
Related tags: calm, composed, cool, pacific, pastoral, peaceful, quiet, serene, smooth, still.