- DAISEY 1 researcher
- DALBY 1 researcherAlso see: DOLBY
- DALE 1 researcher
- DARBY 1 researcher
- DASHIELL 1 researcher
- DAUGHERTY 1 researcherAlso see: DOUGHERTY
- DAVENPORT 1 researcher
- DAVID 1 researcher
- DAVIS 4 researchers
- DAWSON 1 researcher
- DAY 1 researcher
- DEAN 1 researcher
- DEBETY 1 researcherAlso see: DEPUTY
- DENNEY 1 researcherAlso see: DENNY
- DENNIS 2 researchers
- DENNY 2 researchersAlso see: DENNEY
- DENSON 2 researchers
- DENWOOD 1 researcher
- DEPPTTY 1 researcherAlso see: DEPUTY
- DEPUTY 3 researchers
- DERICKSON 3 researchersAlso see: DERRICKSON
- DERRICKSON 4 researchersAlso see: DERICKSON
- DICKERSON 1 researcher
- DILL 2 researchers
- DISHAROON 1 researcher
- DIX 1 researcher
- DIXON 1 researcher
- DODD 1 researcher
- DOLBY 1 researcherAlso see: DALBY
- DONAWAY 1 researcherAlso see: DUNNAWAY
- DONOHO 1 researcher
- DONOVAN 1 researcher
- DORMAN 1 researcher
- DOUGHERTY 2 researchers
- DOUGHTY 2 researchersAlso see: DOUGHERTY
- DOUGLAS 1 researcher
- DOWNING 1 researcher
- DOWTY 1 researcherAlso see: DOUGHERTY
- DREDDEN 1 researcher
- DRUMMOND 1 researcher
- DRYDEN 3 researchers
- DUER 1 researcherAlso see: DYER
- DUEY 1 researcher
- DUFFIELD 1 researcher
- DUNCAN 1 researcher
- DUNN 1 researcher
- DUNNAWAY 1 researcherAlso see: DONAWAY
- DUNTON 1 researcher
- DUPARKES 1 researcher
- DURHAM 2 researchers
- DYER 1 researcherAlso see: DUER
Delmarva Surnames Project