"D" Surnames
| Family | Wife's Maiden Name | Date | County | Contributor |
| DAGENHART, Daniel E | Jan 2004 | Frederick | Nancy Jacobsen | |
| DAGENHART, John | LEATHERMAN | Jan 2004 | Frederick | Nancy Jacobsen |
| DAGENHART, John R | Jan 2004 | Frederick | Nancy Jacobsen | |
| DAMUTH, Charles A | ROOT | Jan 2004 | Frederick | Nancy Jacobsen |
| DAMUTH, David | STAUFFER | Jan 2004 | Frederick | Nancy Jacobsen |
| DANCE, Joseph | ANDERSON | Jan 2004 | Frederick | Nancy Jacobsen |
| DANIELS, Denis M | Jan 2004 | Frederick | Nancy Jacobsen | |
| DARE, David Dayton | FITHIAN | Jan 2004 | Frederick | Nancy Jacobsen |
| DARE, Ephraim | HAY | Jan 2004 | Frederick | Nancy Jacobsen |
| DARE, John | HERSHBERGER | Jan 2004 | Frederick | Nancy Jacobsen |
| DARE, Jonathan | DOUGHTY | Jan 2004 | Frederick | Nancy Jacobsen |
| DARE, Levi | STRATTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DARE, William I | Jan 2004 | Frederick | Nancy Jacobsen | |
| DARE, William II | Jan 2004 | Frederick | Nancy Jacobsen | |
| DARE, William III | Jan 2004 | Frederick | Nancy Jacobsen | |
| DARE, William IV | ROSE | Jan 2004 | Frederick | Nancy Jacobsen |
| DARE, William V | BELANGE | Jan 2004 | Frederick | Nancy Jacobsen |
| DARNER, Charles B | ZECHER | Jan 2004 | Frederick | Nancy Jacobsen |
| DARNER, Henry J | EDMUNDS | Jan 2004 | Frederick | Nancy Jacobsen |
| DARNER, James Clay | SMITH | Jan 2004 | Frederick | Nancy Jacobsen |
| DARNER, John J | ROUTZAHN | Jan 2004 | Frederick | Nancy Jacobsen |
| DART, Nimrod William | TAYLOR | Mar 2006 | Jane Ikemura | |
| DAVIS, Aaron | DEGRANGE | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Charles Spalding | MOLESWORTH | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Eli | MORSELL | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Ephraim | WATERS | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Franklin H | COBLENTZ | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, George | HYATT | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, H. Stanley | NEIL | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Harry Leslie | MOLESWORTH | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Ignatius | Jan 2004 | Frederick | Nancy Jacobsen | |
| DAVIS, Isaac T | SPALDING | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Nathaniel, I | Mar 2009 | Baltimore | Gloria J. Henry | |
| DAVIS, Nathaniel, II | GRIFFITH | Mar 2009 | Baltimore | Gloria J. Henry |
| DAVIS, Nathaniel, III | GRAHAM | Mar 2009 | Baltimore | Gloria J. Henry |
| DAVIS, Joab W | KINDLEY | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, John Franklin | SPAULDING / BRIEN | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Jonathan C | WINTERS | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Louis David | LUMPKINS | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Peter Campbell | MUMFORD | Mar 2009 | Worcester | Stan Hendershot |
| DAVIS, Richard | WILLIAMS | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Robert Lee | LAYTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DAVIS, Samuel B | EBERT | Jan 2004 | Frederick | Nancy Jacobsen |
| DAY, James T | RILEY | Jan 2004 | Frederick | Nancy Jacobsen |
| DAY, Jefferson | WARFIELD | Jan 2004 | Frederick | Nancy Jacobsen |
| DAY, Luther | LEWIS | Jan 2004 | Frederick | Nancy Jacobsen |
| DAY, Richard Riley | THOMAS | Jan 2004 | Frederick | Nancy Jacobsen |
| DAY, Rufus K | BRANDENBURG | Jan 2004 | Frederick | Nancy Jacobsen |
| DAYHOFF, Julius Milton | CLAY | Jan 2004 | Frederick | Nancy Jacobsen |
| DEAN, George A | GORTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DEAN, George D | GANSO | Jan 2004 | Frederick | Nancy Jacobsen |
| DEAN, John | BARRICK | Jan 2004 | Frederick | Nancy Jacobsen |
| DEAN, John A | MAINHART | Jan 2004 | Frederick | Nancy Jacobsen |
| DEAN, William | REYNOLDS | Jan 2004 | Frederick | Nancy Jacobsen |
| DEAN, William II | BARRICK | Jan 2004 | Frederick | Nancy Jacobsen |
| DEATH, Randell (Randolph) | KERSEY | Jun 2007 | Cecil | Eugene Beckius |
| DEGRANGE, Charles A | Jan 2004 | Frederick | Nancy Jacobsen | |
| DEGRANGE, Thomas F | HEFFNER | Jan 2004 | Frederick | Nancy Jacobsen |
| DEGRANGE, William F | WILES | Jan 2004 | Frederick | Nancy Jacobsen |
| DELAPLAINE, Charles | LOHR | Jan 2004 | Frederick | Nancy Jacobsen |
| DE LAPLAINE, Ephraim | HULL | Jan 2004 | Frederick | Nancy Jacobsen |
| DELAPLAINE, Theodore Crist | EDMONSTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DELAPLAINE, William Theodore | BIRELY | Jan 2004 | Frederick | Nancy Jacobsen |
| DELAPLAINE, William Theodore | QUYNN | Jan 2004 | Frederick | Nancy Jacobsen |
| DELAPLANE, John | CHARLTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DELAPLANE, John H. | KOLB | Jan 2004 | Frederick | Nancy Jacobsen |
| DELASHMUTT, A. J. | REICH | Jan 2004 | Frederick | Nancy Jacobsen |
| DELASHMUTT, Edward T. H. | THOMAS | Jan 2004 | Frederick | Nancy Jacobsen |
| DELASHMUTT, Elias | MICHAEL | Jan 2004 | Frederick | Nancy Jacobsen |
| DELAUDER, Elias | DERR | Jan 2004 | Frederick | Nancy Jacobsen |
| DE LAUDER, George S. | HERBERT | Jan 2004 | Frederick | Nancy Jacobsen |
| DELAUDER, Samuel | Jan 2004 | Frederick | Nancy Jacobsen | |
| DELPHEY, Joseph | KOONS | Jan 2004 | Frederick | Nancy Jacobsen |
| DELPHEY, Philander | STROCK | Jan 2004 | Frederick | Nancy Jacobsen |
| DENGLER, William #1 | Oct 2009 | Baltimore | John McKain | |
| DENGLER, William #2 | Oct 2009 | Baltimore | John McKain | |
| DENNIS, George Robertson | McPHERSON | Jan 2004 | Frederick | Nancy Jacobsen |
| DENNIS, George Robertson, Jr. | McGILL | Jan 2004 | Frederick | Nancy Jacobsen |
| DENNIS, John | Jan 2004 | Frederick | Nancy Jacobsen | |
| DENNIS, John McPherson | CHILES | Jan 2004 | Frederick | Nancy Jacobsen |
| DENNIS, Lyttleton Upshur | ROBERTSON | Jan 2004 | Frederick | Nancy Jacobsen |
| DENT, George | TRUMAN | Jun 2008 | Charles | Bath Rasmussen |
| DERN, Hammond | DELPHEY | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Albert J. | Jan 2004 | Frederick | Nancy Jacobsen | |
| DERR, C. Edward | ZIMMERMAN | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Charles E. | Jan 2004 | Frederick | Nancy Jacobsen | |
| DERR, Cornelius E. | METZGER | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Charles H. | NIKIRK | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Daniel | COBLENTZ | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Daniel | Jan 2004 | Frederick | Nancy Jacobsen | |
| DERR, David | SMITH | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, David F. | Jan 2004 | Frederick | Nancy Jacobsen | |
| DERR, George D. | HOLTER | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Jacob | LONG | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, John | HAUPT | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, John | STEINER | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, John | Jan 2004 | Frederick | Nancy Jacobsen | |
| DERR, John | KELLER | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, John, Jr. | LUGENBEEL | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, John C. | KEMP | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, John Peter | WARNER | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, John T. | DERR | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Lewis Edward | MENTZER | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Luther Z. | BOILEAU | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Philip | CRONE | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, R. Scott | LEATHERMAN | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Samuel | YASTE | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Sebastian | Jan 2004 | Frederick | Nancy Jacobsen | |
| DERR, Solomon | HOLBRUNER | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, William Reese | GITTINGER | Jan 2004 | Frederick | Nancy Jacobsen |
| DERR, Willis Edward | ROELKEY | Jan 2004 | Frederick | Nancy Jacobsen |
| DERTZBAUGH, John W. | METZ | Jan 2004 | Frederick | Nancy Jacobsen |
| DERTZBAUGH, William Henry | BENNETT | Jan 2004 | Frederick | Nancy Jacobsen |
| DETRICK, Jacob Stoll | MARKELL | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVECMON, Daniel | KCKINNEY | July 2003 | Allegany | Ronald C. Nicholson |
| DEVECMON, George W. | LANTZ | July 2003 | Allegany | Ronald C. Nicholson |
| DEVILBISS, Abner C. | SWEADNER | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Adam A. | GREENWOOD | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Adam Clark | BLOCKSON | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Adam W. | DEVILBISS | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Arthur Risdon | GARBER | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Casper | BARNETT | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Casper | Jan 2004 | Frederick | Nancy Jacobsen | |
| DEVILBISS, Casper | Jan 2004 | Frederick | Nancy Jacobsen | |
| DEVILBISS, David | FULTON | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, David | CAMPBELL | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, David Marshall | CLARY | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Edward Thomas | BOHN | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Isaiah | NICODEMUS | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, John Hanson | WALKER | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Maurice Martin | Jan 2004 | Frederick | Nancy Jacobsen | |
| DEVILBISS, Oliver Parker | OLAND | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Preston Sweadner | BUCKEY | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Samuel H. | STEPHENSON | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, Solomon David | CRONISE | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, William | KEEFER | Jan 2004 | Frederick | Nancy Jacobsen |
| DEVILBISS, William Sherman | BARNES | Jan 2004 | Frederick | Nancy Jacobsen |
