There are 80 unique surnames beginning with D:

Dailey	Daniels	Darling	Darnell	Dasher	Daugherty	Daum
Davey	Davids	Davidson	Davis	Dayton	Dea	Dean
Debold	Debolt	Decker	Dee	DeGood	Deiter	Denman
Dennis	DeNune	Depp	Derr	Devol	DeVore	DeWitt
Dick	Dickerson	Diener	Diggins	Dikeman	Diles	Dillion
Dillon	Dilsaver	Dinovo	Dinwiddie	Dirst	Dixon	Doan
Dobbins	Dodd	Dodds	Dodge	Doe	Dolan	Dominy
Donahue	Donley	Donohoe	Donohue	Doolan	Doolin	Douglas
Dowdna	Dowell	Downey	Downing	Downs	Doyle	Draper
Driskell	Drowns	Drum	Duff	Duke	Duncan	Dunfee
Dunn	Dunnon	Dunton	Durant	Durban	Durst	Dutton
Dyer	Dynes	Dysert

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