This Surname-turned-first-name Has A Whole Lot Of Vintage Charm Packed Into Its Six Letters. Truett Has Old English Roots And Is A Habitational Name From Englands Northumbria. It Means Both "river Bend," From The Old English Word wiht, As Well As "dry Wood," From The Old Norse Word tyri, Giving It A Hidden, Earthy Feel That Can Help Baby To Feel At Home Wherever He Travels_._