Holden's Triennial Directory Cork 1809
| De La Cour | Mr | George's Quay | |
| De Le Stang | Madame | French academy | Duncan St |
| Deltera | John | Attorney and notary public | Morgan St |
| Denahee | John | Worsted weaver | Mallow La |
| Denahie | Mrs | George's St | |
| Denahy | Michael | Grocer | Coal Quay |
| Dagg | Geo | Boot and shoemaker | Fishamble Lane |
| Daly | D | Ship chandler | Coal Quay |
| Daly junr and Croker | Printers and stationers | Patrick St | |
| Daly | Tho | Grocer | Mallow La |
| Daly | James | Compound distiller | Blarney La |
| Daly | James | Linen draper | South Main St |
| Daly | Isaac | Linen draper | South Main St |
| Daly | Felix | Vintner | George's St |
| Daly | Miss E | Broad La | |
| Daly's Club House | Grand Parade | ||
| Daniel | Mr. John | Paul St | |
| Daun | Mr. James | Dunbar St | |
| Daun | Mr James | George's Quay | |
| Daunt | John | Boot and shoemaker | Paul St |
| Daunt | Dr Geo | Cook St | |
| Daunt | Robt | Attorney | Ann St |
| Davies | Wm | Leather cutter | Barrack St |
| Davies | Wax chandler | Grand Parade | |
| Davis | Jonathan | Ironmonger | North Main St |
| Davis | Wm | Carver and gilder | Mardyke St |
| Davis | Geo | Academy | Cross St |
| Davis | Miss | Nile St | |
| Deane | Alex | Merchant | Lapp's Island |
| Deane | Wm | Architect | Sullivan's Quay |
| Deane | Mr Tho. | Rudland St | |
| Deane | Peter | Attorney | Grand Parade |
| De Courcy | Patrick | Sadler | North Main St |
| Dee | Michael | Cabinet maker | Duncan St |
| Deeble | Mr. Benj. | Mallow La | |
| Denmead | Henry | Printer and bookseller | South Main St |
| Denn | John | Tallow chandler | Mallow La |
| Dennehy | Walter | Grocer | Mallow La |
| Dennis | Attorney and notary public | Sullivan's Quay | |
| Dennison | James | Crown Tavern | Austin's La |
| Denny | Daniel | Hat manufacturer | North Main St |
| Denton and Carrol | Apothecaries | North Main St | |
| Desmond | Daniel | Boot and shoe maker | Grand Parade |
| Devenish | Wm | Mercer and draper | Grand Parade |
| Devereux | Teresa | Trunk maker | Patrick St |
| Dickinson | Charles | Tin plate worker | North Main St |
| Dillon | Mary | Haberdasher | Grand Parade |
| Dillon | Mrs | Winthropp's St | |
| Dinan | M | Fruiterer | Grand Parade |
| Dinnean | Dan | Vintner | Barrack St |
| Dobbbins | Mrs | Brown St | |
| Doherty | James | Grocer and dye stuff warehouse | Bandon Rd |
| Donaghee | Jeremiah | Boot and shoemaker | Barrack St |
| Donegan | Ellen | Soap and candle manufacturer | Shandon St |
| Donegan | Daniel | Tallow chandler | South Main St |
| Donovan | Jeremiah | Liquor merchant | Princess St |
| Donovan | Mr | Grand Parade | |
| Donovan | Mr Sam | Sand Quay | |
| Donovan | Mr James | Fish St | |
| Donovan | Mr Wm | George's St | |
| Donworth | James | Hat maker | North Main St |
| Dooly | John | Vintner | Charles St |
| Dorman | Mr | Camden Pl | |
| Dounes | Alex | Card manufacturer | Duncan St |
| Dounes | Robt | Hatter and laceman | Grand Parade |
| Dounes | Patrick | Boot and shoemaker | North Main St |
| Dove | John | Whip maker | South Main St |
| Dove | John | Vintner | Bandon Rd |
| Down | Wm | Boot and shoemaker | Charles St |
| Downman | John | Attorney and notary public | Marlborough St |
| Doyle | Miss | Glass and china warehouse | King's Quay |
| Drew | Wm | Linen and woollen draper | North Main St |
| Drew | John | Salesman | South Main St |
| Drinan | Jeremiah | Grocer | Barrack St |
| Drinan | John | Grocer | Barrack St |
| Drinan | Maurice | Boot and shoemaker | George's St |
| Drinan | Geo | Tallow chandler | Bandon Rd |
| Dring | Mr | South Mall | |
| Driscol | Mary | Confectioner | Princess St |
| Driscol | Dan | Baker | Blarney La |
| Duck | Tho | Woollen and Manchester warehouse | Paul St |
| Duggan | Henry | Cooper | Dunbar St |
| Dudley | Flour merchant | Mallow La | |
| Dudley | Rich | Boot and shoemaker | Fishamble Lane |
| Dunn | Patrick | Skinner | Mallow La |
| Dunscombe | Tho | Merchant | Marlborough St |
| Dunscombe | Parker | Merchant | Cook St |
| Dunstaville | J.W. | Agent victualler | Warren's Quay |
| Dwyer | Wm | Wine merchant | Marlborough St |
| Dwyer | Mr John | Shandon St | |
| Dwyer | Mr E | Princess St |