There are unique defendant surnames beginning with D:

D. and R. Trenching	Danforth	Daniels	Daugherty	Davids	Davis	Day
Daymude	Dean	DeBolt	Decker	Deere Short Excavating Company	Defress	Degood
Deibold	Delander	Delaware County Commissioners	Denning	Denny	Depp	Detwiler
Detwiler Implement Company	Devore	Dickinson	Dicks	Diebold	Dille	Dillon
Disbennet	Dixon	Dodd	Dodge	Doebert	Dolbear and Vanderan	Dole and Hawkins
Donley	Donohoe	Doty	Dougherty	Douglas	Douglass	Downey
Downs	Drake Brothers	Dull	Dunbar	Dunfee	Dunlap	Dunn
Durflinger	Durr	Dutton