1) British musician 2) English girl name 
Lettie is an English name for girls. The meaning is `joy, happiness` The name Lettie is most commonly given to English and Welsh girls. (2 times more often than to American girls.) The name sounds like: Lettee, Lottie Similar names are: Nettie, Bettie, Yettie, Hettie, Lettice See also: Letty, Lettice