"C" Surnames
| Family | Wife's Maiden Name | Date | County | Contributor |
| COCHRAN, Cornelius | HECK | Dec 2003 | Frederick | Nancy Jacobsen |
| COCHRAN, William | Dec 2003 | Frederick | Nancy Jacobsen | |
| COLE, Porter Mason, Jr. | SMITH | May 2007 | Montgomery | Lilly Bronn |
| COLE, Porter Mason, Sr. | SMITH | May 2007 | Montgomery | Lilly Bronn |
| COLLIFLOWER, Clarence Wilson | FREEZE | Dec 2003 | Frederick | Nancy Jacobsen |
| COLLIFLOWER, Elmer E | WILHIDE | Dec 2003 | Frederick | Nancy Jacobsen |
| COLLIFLOWER, John | WILHIDE | Dec 2003 | Frederick | Nancy Jacobsen |
| COLLIFLOWER, John T | HESSER | Dec 2003 | Frederick | Nancy Jacobsen |
| COLLIFLOWER, Lloyd Ross | COLLINS | Dec 2003 | Frederick | Nancy Jacobsen |
| COLLINS, Samuel | BUCKEY | Dec 2003 | Frederick | Nancy Jacobsen |
| COMPHER, John | FAWLEY | Dec 2003 | Frederick | Nancy Jacobsen |
| CONARD, John, Jr. | LEASE | Dec 2003 | Frederick | Nancy Jacobsen |
| CONDON, Albert Wilson | FOUT | Dec 2003 | Frederick | Nancy Jacobsen |
| CONDON, James W | WILSON | Dec 2003 | Frederick | Nancy Jacobsen |
| CONDON, Nimrod | SPURIER | Dec 2003 | Frederick | Nancy Jacobsen |
| CONDON, Zachariah | HOOD | Dec 2003 | Frederick | Nancy Jacobsen |
| CONLEY, Charles William | LARRICK | Dec 2003 | Frederick | Nancy Jacobsen |
| CONNER, Atvill | REESER | Dec 2003 | Frederick | Nancy Jacobsen |
| CONNER, Atvill, Jr., D.D. | STAUFFER | Dec 2003 | Frederick | Nancy Jacobsen |
| CONNER, Isaac Thomas | TULL | Mar 2009 | Somerset | Tammie Benefiel |
| CONNER, James T | HOTTLE | Dec 2003 | Frederick | Nancy Jacobsen |
| CONNER, James T. J. | Dec 2003 | Frederick | Nancy Jacobsen | |
| COODE, Colonel John | GERRARD | July 2003 | St. Mary's | Karen Bennett |
| COOK, George E | BAST | Dec 2003 | Frederick | Nancy Jacobsen |
| COOK, George E | STOCKMAN | Dec 2003 | Frederick | Nancy Jacobsen |
| COOK, George H | ANNAN | Dec 2003 | Frederick | Nancy Jacobsen |
| COOK, John W | MYERS | Dec 2003 | Frederick | Nancy Jacobsen |
| COOKESLEY, Lewis C | Dec 2003 | Frederick | Nancy Jacobsen | |
| COOKSEY, Mansfield | LIMERICK | Aug 2008 | Baltimore City | Lois Marbert |
| COOLEDGE, George R | GOODELL | Dec 2003 | Frederick | Nancy Jacobsen |
| COOLIDGE, Capt. Judson | JOHNSON | Aug 2003 | Prince George's | Shirley Middleton Moller |
| COOLIDGE, Samuel Judson | HEPBURN | Aug 2003 | Prince George's | Shirley Middleton Moller |
| COOPER, Charles | BROWN | Dec 2003 | Frederick | Nancy Jacobsen |
| COPELAND, George W | ZIMMERMAN | Dec 2003 | Frederick | Nancy Jacobsen |
| CORNELL, Edward B | HEDGES | Dec 2003 | Frederick | Nancy Jacobsen |
| COST, Jacob H | KOONS | Dec 2003 | Frederick | Nancy Jacobsen |
| COST, Thomas J | YAKEY | Dec 2003 | Frederick | Nancy Jacobsen |
| COVELL, Alonzo Milton | WACHTER | Dec 2003 | Frederick | Nancy Jacobsen |
| COVER, Enos N | Dec 2003 | Frederick | Nancy Jacobsen | |
| COX, Charles E | Dec 2003 | Frederick | Nancy Jacobsen | |
| COX, John | NUSBAUM | Dec 2003 | Frederick | Nancy Jacobsen |
| COX, John H | Dec 2003 | Frederick | Nancy Jacobsen | |
| COZENS, W. J. | CLINE | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Absalom | KEPHART | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Amos | HILL | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Andrew N | HEDGES | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Charles Christian | OGBURN | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Charles Henry | DEVILBISS | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, David Kemp | MERCER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Edward | HYDER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Eli | ELLIS | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Ezra D | DUDDERAR | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Ezra L | WINEBRENNER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Ezra Lewis | KEMP | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Ezra Lewis | CRAMER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, George | REYNOLDS | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, George Henry | GERNAND / GERNAND | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, George L | WORMAN / BREWER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Harry Emory | KEMP / RAMSBURG | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Harvey | HOKE | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Henry | BARRACK | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Jacob | UMSTEAD | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Jeremiah Henry | STIMMEL | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, John | Dec 2003 | Frederick | Nancy Jacobsen | |
| CRAMER, John David | KEMP / SHULL | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, John George | Dec 2003 | Frederick | Nancy Jacobsen | |
| CRAMER, John William | SPAHR | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Morris | THOMAS | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Newton Z | STULL | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Noah E | HOUCK | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Philip H | CRAMER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Robert E. Lee | CRAMER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Robert E. Lee | REICH | Mar 2009 | Frederick | R. Stuart Cramer |
| CRAMER, Samuel | BUCKEY | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Steiner S | CRAMER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Thomas L | CRAMER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, William A | BUCKEY | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, William H | RIGGS | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, William J | HULL | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Willie Clayton | ALBAUGH | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMER, Zoe Amelia | REPP | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMPTON, James F | FRALEY | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMPTON, John | Dec 2003 | Frederick | Nancy Jacobsen | |
| CRAMPTON, John C | BOYER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMPTON, John D. Garrott | CLAGGETT | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAMPTON, Joshua | FEASTER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAVER, George W | PALMER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAVER, Simon P | STULL | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAWFORD, Basil | CROSS | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAWFORD, George H | BIRELY | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAWFORD, Lewis David | SHEFFER | Dec 2003 | Frederick | Nancy Jacobsen |
| CRAWFORD, Thomas H | Dec 2003 | Frederick | Nancy Jacobsen | |
| CRAWFORD, Thomas L | HOOD | Dec 2003 | Frederick | Nancy Jacobsen |
| CREAGER, Henry | Dec 2003 | Frederick | Nancy Jacobsen | |
| CREAGER, J. Howard | CURRENS | Dec 2003 | Frederick | Nancy Jacobsen |
| CREAGER, James | WELLER / FIROR | Dec 2003 | Frederick | Nancy Jacobsen |
| CREAGER, John Wesley | WILLIAR | Dec 2003 | Frederick | Nancy Jacobsen |
| CREAGER, Solomon | MARTIN | Dec 2003 | Frederick | Nancy Jacobsen |
| CREAGER, Thomas | LECKLIDER | Dec 2003 | Frederick | Nancy Jacobsen |
| CREGGER, Robert Ray | PAYNTER | Jun 2007 | Montgomery | Lilly Bronn |
| CRIST, Daniel | BICELINE | Dec 2003 | Frederick | Nancy Jacobsen |
| CRIST, David | CAMPBELL | Dec 2003 | Frederick | Nancy Jacobsen |
| CRIST, George W | ORR | Dec 2003 | Frederick | Nancy Jacobsen |
| CRIST, Jacob Adam | Dec 2003 | Frederick | Nancy Jacobsen | |
| CRIST, Philip | LONG | Dec 2003 | Frederick | Nancy Jacobsen |
| CROMWELL, Curtis A | Dec 2003 | Frederick | Nancy Jacobsen | |
| CROMWELL, Mellville | DAY | Dec 2003 | Frederick | Nancy Jacobsen |
| CROMWELL, Nicholas | CLEMM | Dec 2003 | Frederick | Nancy Jacobsen |
| CROMWELL, Philemon | FISHER | Dec 2003 | Frederick | Nancy Jacobsen |
| CROMWELL, William | Dec 2003 | Frederick | Nancy Jacobsen | |
| CRONE, Henry | Dec 2003 | Frederick | Nancy Jacobsen | |
| CRONE, John | LEACH | Dec 2003 | Frederick | Nancy Jacobsen |
