DURWARD: Old English for "gatekeeper." Relatives: Durwood, Durwald, Durwin, Derwood. Namesake: Durwood Kirby.
DUSTIN: Old English for "dark stone." Consider it for a girl. Relatives: Dusty, Dustan, Dunston. Namesakes: Saint Dunstan, Dustin Hoffman, Dusty Baker.
DWIGHT: Old English for "fair." Namesakes: Dwight Eisenhower.
DYLAN: Welsh for "sea god." According to Welsh legend, all the waves of the English and Irish seas wept when he died. Relatives: Dillon, Dillan. Namesakes: Dylan Thomas, Bob Dylan, Matt Dillon.