"D" Surnames
| Family | Wife's Maiden Name | Date | County | Contributor |
| DOLAN, John Joseph | DUNN | May 2009 | Baltimore | Carol Hallowell |
| DOLL, Alexander H | DUVALL | Jan 2004 | Frederick | Nancy Jacobsen |
| DOLL, B. Frank | Jan 2004 | Frederick | Nancy Jacobsen | |
| DOLL, Charles J | CRAMER | Jan 2004 | Frederick | Nancy Jacobsen |
| DOLL, Daniel | WOLF | Jan 2004 | Frederick | Nancy Jacobsen |
| DOLL, George Joseph | WISONG | Jan 2004 | Frederick | Nancy Jacobsen |
| DOLL, James E | SPALDING | Jan 2004 | Frederick | Nancy Jacobsen |
| DOLL, Joshua J | HOOD | Jan 2004 | Frederick | Nancy Jacobsen |
| DOLL, Lewis H | OGLE | Jan 2004 | Frederick | Nancy Jacobsen |
| DOLL, Melville E | DANNER | Jan 2004 | Frederick | Nancy Jacobsen |
| DOMER, George H | Jan 2004 | Frederick | Nancy Jacobsen | |
| DOMER, William | Jan 2004 | Frederick | Nancy Jacobsen | |
| DONALDSON, John Lyttletons | NORRIS | Jan 2004 | Frederick | Nancy Jacobsen |
| DONSIFE, Henry C | Jan 2004 | Frederick | Nancy Jacobsen | |
| DONTELL, Heinrich | VETTERS | July 2003 | Barbara Rendina | |
| DORFF, George | Jan 2004 | Frederick | Nancy Jacobsen | |
| DORSEY, Basil E., Jr. | HARRIS | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Basil E., Sr. | WORTHINGTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Caleb | WARFIELD | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Charles A | GAUGH | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Clagett Warfield | HARN | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Edward | WYATT / LARKIN | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Edward | Jan 2004 | Frederick | Nancy Jacobsen | |
| DORSEY, Harry W., Jr. | WATERS | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Harry W., Sr. | WATERS | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Henry | WORTHINGTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Ignatius W | HOBBS | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, John | DORSEY | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Joshua | Jan 2004 | Frederick | Nancy Jacobsen | |
| DORSEY, Joshua | RIDGELY | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Nicholas | DORSEY / SPRIGG | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Owen | HOSPELHORN | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Philemon | LAWRENCE / RIDGELY | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Richard H | HAMMOND | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Robert E | DUVALL | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Vachel | BATTEE / STRINGER | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Vernon W., Sr. | WORTHINGTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, Walter R | WELTY | Jan 2004 | Frederick | Nancy Jacobsen |
| DORSEY, William B | Jan 2004 | Frederick | Nancy Jacobsen | |
| DORSEY, William H. B, | EBERT | Jan 2004 | Frederick | Nancy Jacobsen |
| DOTTERER, Jesse Vernon | HOFF | Jan 2004 | Frederick | Nancy Jacobsen |
| DOTTERER, William H | STONER / ROOP | Jan 2004 | Frederick | Nancy Jacobsen |
| DOTY, Abner Delos | PORTER | Jan 2004 | Frederick | Nancy Jacobsen |
| DOTY, Claude P | FEASTER | Jan 2004 | Frederick | Nancy Jacobsen |
| DOTY, Elmer W | ETSHEISON | Jan 2004 | Frederick | Nancy Jacobsen |
| DOTY, Guy D | KEPLINGER | Jan 2004 | Frederick | Nancy Jacobsen |
| DOTY, Robert W | ROELKEY | Jan 2004 | Frederick | Nancy Jacobsen |
| DOTY, Walter C | SHAFF | Jan 2004 | Frederick | Nancy Jacobsen |
| DOUB, Abraham | Jan 2004 | Frederick | Nancy Jacobsen | |
| DOUB, Enos | SHEFFER | Jan 2004 | Frederick | Nancy Jacobsen |
| DOUB, Jacob IV | Jan 2004 | Frederick | Nancy Jacobsen | |
| DOUB, James E | Jan 2004 | Frederick | Nancy Jacobsen | |
| DOUB, John | DOUB | Jan 2004 | Frederick | Nancy Jacobsen |
| DOUB, Jonas A | WATERS | Jan 2004 | Frederick | Nancy Jacobsen |
| DOUB, Josiah | Jan 2004 | Frederick | Nancy Jacobsen | |
| DOUB, William Warren | REMSBURG | Jan 2004 | Frederick | Nancy Jacobsen |
| DOUGHERTY, Charles E | SMITH | Jan 2004 | Frederick | Nancy Jacobsen |
| DOUGHERTY, J. Frank | CRAVER | Jan 2004 | Frederick | Nancy Jacobsen |
| DOWNEY, Basil Dorsey | WORLEY / JONES | Jan 2004 | Frederick | Nancy Jacobsen |
| DOWNEY, Frank | LAWRENCE | Jan 2004 | Frederick | Nancy Jacobsen |
| DOWNEY, Jesse Wright | HAMMOND | Jan 2004 | Frederick | Nancy Jacobsen |
| DOWNEY, John | JOHNSON | Jan 2004 | Frederick | Nancy Jacobsen |
| DOWNEY, John | STOCKSDALE / OWINGS | Jan 2004 | Frederick | Nancy Jacobsen |
| DOWNEY, William | DORSEY | Jan 2004 | Frederick | Nancy Jacobsen |
| DOWNEY, William | WRIGHT | Jan 2004 | Frederick | Nancy Jacobsen |
| DOWNEY, William I | Jan 2004 | Frederick | Nancy Jacobsen | |
| DRENNER, Silas | CARR | Jan 2004 | Frederick | Nancy Jacobsen |
| DREYER, Harry A | MASON | Jan 2004 | Frederick | Nancy Jacobsen |
| DRONEBERG, John | Jan 2004 | Frederick | Nancy Jacobsen | |
| DRONEBURG, Jacob | MADERY | Jan 2004 | Frederick | Nancy Jacobsen |
| DRONEBURG, John T | DIXON | Jan 2004 | Frederick | Nancy Jacobsen |
| DUCKETT, Thomas O | GOLDSBOROUGH | Jan 2004 | Frederick | Nancy Jacobsen |
| DUDDERAR, Benjamin Filmore | BARNES | Jan 2004 | Frederick | Nancy Jacobsen |
| DUDDERAR, Conrad | DUKENSHEETS | Jan 2004 | Frederick | Nancy Jacobsen |
| DUDDERAR, George Washington | LOOKINGBILL | Jan 2004 | Frederick | Nancy Jacobsen |
| DUDDERAR, Peter | BRIGHTWELL | Jan 2004 | Frederick | Nancy Jacobsen |
| DUDDERAR, Randolph | SHRINER | Jan 2004 | Frederick | Nancy Jacobsen |
| DUDDERAR, William | SHRINER | Jan 2004 | Frederick | Nancy Jacobsen |
| DURNBAUGH, Jacob * | DICK | Jun 2008 | Washington | Beth Rasmussen |
| DURST, John Lewis | SCHROYER | Aug 2006 | Garrett | Patricia Durst Shaffer |
| DUTROW, Cornelius | Jan 2004 | Frederick | Nancy Jacobsen | |
| DUTROW, Daniel | Jan 2004 | Frederick | Nancy Jacobsen | |
| DUTROW, Daniel W | DELAPLAINE | Jan 2004 | Frederick | Nancy Jacobsen |
| DUTROW, Edward M | DERR | Jan 2004 | Frederick | Nancy Jacobsen |
| DUTROW, George | MILLER | Jan 2004 | Frederick | Nancy Jacobsen |
| DUTROW, Jeremiah | Jan 2004 | Frederick | Nancy Jacobsen | |
| DUTROW, John | NUSBAUM | Jan 2004 | Frederick | Nancy Jacobsen |
| DUTROW, John | Jan 2004 | Frederick | Nancy Jacobsen | |
| DUTROW, R. Claude | BECK | Jan 2004 | Frederick | Nancy Jacobsen |
| DUTROW, Richard P. T. | LAKIN | Jan 2004 | Frederick | Nancy Jacobsen |
| DUTROW, Samuel | GEISBERT | Jan 2004 | Frederick | Nancy Jacobsen |
| DUTROW, Samuel | COCHRAN | Jan 2004 | Frederick | Nancy Jacobsen |
| DUTROW, Samuel | POFFENBERGER | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVAL, Joseph | Jan 2004 | Frederick | Nancy Jacobsen | |
| DUVALL, Benjamin | GRIFFITH | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, Benjamin W | EICHELBERGER | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, Grafton | WHITTAKER | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, Grafton Allen | PETERS | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, Henry Claggett | CLAGGETT | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, J. E. | Jan 2004 | Frederick | Nancy Jacobsen | |
| DUVALL, John | Jan 2004 | Frederick | Nancy Jacobsen | |
| DUVALL, John C | HOOD | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, James L. Hawkins | KEMP | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, Samuel | DAUSON | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, William | PRUNETT | Jan 2004 | Frederick | Nancy Jacobsen |
| DUVALL, William Luther | Jan 2004 | Frederick | Nancy Jacobsen | |
| DYER, John A | MOBERLY | Jan 2004 | Frederick | Nancy Jacobsen |
