| Abbreviation | Definition |
|---|---|
| D. | Died |
| d. | died [date] |
| d.y | died young |
| d/o | daughter of |
| DAR | Daughters of the American Revolution |
| DAU | Daughter |
| DB | Deed Book |
| DBN | De Bonis Non (of no good) |
| DCGO | Domain-Centric Gene Ontology |
| DECD | DECeaseD |
| DFA | Descent From Antiquity |
| DIA | Durham Irish Association of Canada |
| DIV | DIVorced |
| div | divorced, division |
| Div. | divorce(d) |
| DLD | Divided Loyalties Descendant |
| dn | deacon |
| DO | Ditto |
| do | ditto (same) |
| DSDI | Descendants of the Signers of the Declaration of Independence |