| Name | Book | Page(s) |
| COZZI, Joy Verdi | 18 | 337-339 |
| CRABB, Jesse | 11 | 33 |
| CRABB, Jesse W. | 13 | 574 |
| CRABB, Jesse W. | 14 | 306-308 |
| CRABB, Jesse W. | 15 | 58-59 |
| CRABB, John V. | 10 | 25, 97-98, 373, 378 |
| CRABB, John V. | 11 | 142 |
| CRAGIN, Elisha H. | 3 | 29 |
| CRAGIN, Elisha N. | 2 | 22, 160 |
| CRAIG, Arthur A. | 19 | 103-104 |
| CRALL, Simon J. | 11 | 73, 254 |
| CRANDALL, Francis A. | 4 | 346 |
| CRATES, Royal R. | 17 | 461-462 |
| CREASON, Louisa | 4 | 543 |
| CREASON, Louisa | 5 | 442 |
| CREASON, Louisa | 6 | 352 |
| CREASON, Louisa | 7 | 111 |
| CRESS, Catharine | 2 | 471 |
| CRESS, George W. | 10 | 19 |
| CRETCHER, Sarah | 9 | 290-291, 570 |
| CRETCHER, Sarah | 10 | 264-265 |
| CRETCHER, Sarah | 12 | 194 |
| CRIPE, Jonas | 17 | 379-380 |
| CRISS, Mary | 4 | 62, 489 |
| CRIST, Elizabeth | 1 | 75 |
| CRIST, Malinda | 6 | 451 |
| CRIST, Malinda | 7 | 464 |
| CRIST, Malinda | 8 | 447 |
| CRIST, Malinda | 9 | 84 |
| CROCO, George | 1 | 398 |
| CROUCH, Eli | 5 | 306 |
| CROUCH, William | 1 | 248 |
| CROUCH, William | 5 | 514 |
| CROUSE, John & Susan | 4 | 264 |
| CROWL, Arvilla Ruth | 19 | 120-123 |
| CROWL, Arville Ruth | 18 | 307-309 |
| CROWL, Mary J. | 9 | 54 |
| CROWL, William | 4 | 494 |
| CROWL, William | 5 | 105, 381 |
| CROWL, William | 6 | 109, 583 |
| CROWL, William | 7 | 286 |
| CROWL, William | 8 | 159-160, 550 |
| CROWL, William | 9 | 23 |
| CROYL, Mary L. | 13 | 143 |
| CROYL, Mary L. | 11 | 433 |
| CROYL, Mary L. | 12 | 324 |
| CRUME, George | 19 | 3,4,5 |
| CUFFEL, Henry | 1 | 35, 220 |
| CUFFEL, Henry | 3 | 516-517 |
| CULLER, Minerva G. | 9 | 430 |
| CULP, Rufus E. | 16 | 204-205, 449 |
| CULP, Rufus E. | 17 | 309 |
| CUMMINGS, J. W. | 11 | 328 |
| CUMMINGS, J. W. | 12 | 302 |
| CURTIS, Barbara Jean | 17 | 317-318 |
| CURTIS, Marilyn Ann | 17 | 316-317, 363-364 |
| DAISEY, Moses | 2 | 286, 287, 289, 291, 293 |
| DAISY, Moses | 4 | 285, 287, 289 |
| DAISY, Moses | 5 | 537 |
| DALTON, Donald A. | 18 | 535-537, 547-553 |
| DANIELS, Charles | 12 | 372-373, 517-519 |
| DANIELS, Charles | 13 | 244, 331, 504 |
| DANNAR, Alvan | 1 | 88, 268, 468 |
| DANNAR, Mary E. | 2 | 150 |
| DANNER, Alvin | 2 | 335 |
| DANNER, Alvin | 3 | 163 |
| DANP, Mary? | 7 | 392 |
| DANSEN, George E. | 4 | 485 |
| DANSER, Esther O. | 8 | 548 |
| DANSER, Esther O. | 11 | 98 |
| DANSER, Percy L. | 9 | 322-323 |
| DARR, Emma | 16 | 486-487 |
| DARR, Jack R. & Susan K. | 18 | 116 |
| DARR, Jack Richard & Susan K. | 19 | 44-45 |
| DASEY, Moses | 3 | 242, 244, 246, 248, 250, 396 |
| DAVENPORT, Theodore | 6 | 305 |
| DAVENPORT, Theodore | 7 | 300 |
| DAVENPORT, Theodore | 8 | 329-332 |
| DAVENPORT, William | 6 | 528, 531, 534 |
| DAVIDSON, Catharine | 9 | 189-190, 501-502 |
| DAVIS, Algernon | 11 | 407 |
| DAVIS, Algernon | 12 | 57 |
| DAVIS, Amos O. | 12 | 493 |
| DAVIS, Helen C. | 2 | 41 |
| DAVIS, Helen C. | 6 | 418, 420 |
| DAVIS, James S. | 7 | 191 |
| DAVIS, John L. | 4 | 292 |
| DAVIS, John L. | 5 | 44 |
| DAVIS, John L. | 6 | 81, 83, 85 |
| DAVIS, John L. | 7 | 44, 280 |
| DAVIS, John L. | 8 | 250-254, 400-401 |
| DAVIS, Lida | 16 | 429-430 |
| DAVIS, Lida | 17 | 122-123 |
| DAVIS, Lois etal | 16 | 429 |
| DAVIS, Lois June etal | 17 | 123-124, 174, 375 |
| DAVISSON, Catharine | 6 | 172, 174, 175, 176, 362, 469 |
| DAVISSON, Catharine | 8 | 110-111, 268-269, 551 |
| DAVISSON, Catharine | 10 | 333, 415 |
| DAVISSON, Catherine | 7 | 312, 314, 349 |
| DEAFENBAUGH, Joseph | 13 | 190, 364, 541 |
| DEAFENBAUGH, Joseph | 14 | 124, 383 |
| DEAFENBAUGH, Joseph | 11 | 402, 562 |
| DEAFENBAUGH, Joseph | 15 | 127 |
| DEARDORF, Peter | 5 | 13, 548 |
| DEARDORF, Peter | 6 | 415 |
| DEARDORF, Peter | 7 | 285 |
| DEARDORFF, Albert R. | 13 | 459 |
| DEARDORFF, Edmond | 12 | 383 |
| DEARDORFF, Edmond | 13 | 150, 343 |
| DEATON, Mary J. | 13 | 462 |
| DEATON, Russell | 14 | 52, 352-353 |
| DEATON, Russell | 15 | 143, 398 |
| DEAVENBAUGH, Joseph | 12 | 289, 571 |
| DECKARD, Pauline | 15 | 241-242, 426-427, 576-577 |
| DECKARD, Pauline | 16 | 455-456 |
| DECKER, Nancy G. | 5 | 456-463 |
| DECKER, Nancy G. | 6 | 480 |
| DEEM, Emma J. | 15 | 548-550 |
| DEERWESTER, George | 10 | 395 |
| DEERWESTER, William H. | 7 | 409 |
| DEERWESTER, William H. | 9 | 367 |
| DEISCH, Frederick | 8 | 432-433 |
| DEISCH, Frederick | 9 | 531-533 |
| DEISCH, Frederick | 10 | 238-239, 371 |
| DELANO, John | 16 | 153-158, 252-255 |
| DENISON, Elizabeth | 4 | 361 |
| DENNEY, George W. | 9 | 198 |
| DENNISON, Elizabeth | 5 | 109, 410 |
| DENTZER, Nancy | 14 | 161 |
| DENTZER, Nancy J. | 13 | 562, 563 |
| DENTZER, Phillip | 1 | 73-74, 149, 354 |
| DESJARDINS, Eugenie | 11 | 356, 395 |
| DESVOIGNE, Emanuel | 13 | 122 |
| DEVAULT, Elisha | 9 | 447, 552-553 |
| DEVENNEY, John | 5 | 248 |
| DEVENNEY, John | 6 | 268 |
| DEVENNEY, John | 7 | 58, 59, 454 |
| DEVENNEY, John | 8 | 510 |
| DEVINNEY, William A. | 8 | 151-152 |
| DEWART, Amos | 1 | 89, 475 |
| DEWART, Lester Guy | 19 | 159-160 |
| DEWART, Lewis | 6 | 335 |
| DEWART, Lewis | 7 | 238 |
| DEWART, Lewis | 8 | 74-75, 438 |
| DEWART, Lewis E. | 12 | 157, 448 |
| DEWART, Lewis E. | 13 | 376, 431 |
| DEWART, Reuben | 3 | 46, 327 |
| DEWART, Reuben | 4 | 305, 583 |
| DEWART, Reuben | 5 | 55 |
| DEWART, Reuben | 6 | 9, 517 |
| DEWART, Reuben | 7 | 395 |
| DEWART, Reuben | 8 | 318-319 |
| DEWEY, Eunice | 7 | 344 |
| DICK, Daniel | 11 | 214, 221 |
| DICK, Daniel | 12 | 242 |
| DICK, Daniel J. | 6 | 193 |
| DICK, Daniel J. | 7 | 136 |
| DICK, Daniel J. | 8 | 508 |
| DICK, Henry | 5 | 146, 238 |
| DICK, Henry & Sallie | 4 | 178, 187, 373 |
| DICK, Henry and Sally | 3 | 491, 493 |
| DICK, Jane | 5 | 222 |
| DICK, Sally | 1 | 303 |
| DICK, Sally | 2 | 10 |
| DICKERSON, Elizabeth | 18 | 106-109 |
| DICKSON, Eunice | 10 | 308-311, 523-525 |
| DIEHL, Carl S. | 19 | 219-220 |
| DIERDORFF, Peter | 9 | 20-21 |
| DILL, Mary | 14 | 316 |
| DILLEN, Melvin E. | 18 | 310-312 |
| DILLINGHAM, Hiram | 2 | 43 |
| DINEEN, William | 12 | 116 |
| DINGMAN, Mary | 5 | 168 |
| DINKELDEIN, Walter | 19 | 136 |
| DINKLEDINE, Herschel | 17 | 258, 466-467 |
| DINKLEDINE, Herschel | 19 | 184-185 |
| DINKLEDINE, Jacob | 11 | 452 |
| DINKLEDINE, Jacob | 12 | 68, 343, 489 |
| DIRCK, Martha J. | 14 | 300 |
| DIRCK, Martha J. | 15 | 320 |
| DIRK, Henry | 12 | 385 |
| DISHER, Peter | 10 | 548 |
| DISHER, Peter | 11 | 198 |
| DISHER, Peter | 12 | 94, 249 |
| DOCHNER, George & Henry | 6 | 526 |
| DOCK, Martha & Patria | 16 | 350 |
| DOCK, Patria Jane | 19 | 176-177 |
| DOCK, Robt etal | 15 | 573 |
| DODGE, Encel Hunter Jr. | 16 | 519 |
| DODGE, Paul Oliver | 16 | 519 |
| DOLL, Edith Louis | 19 | 177-178 |
| DOLL, Lucy A. | 11 | 554 |
| DOLL, Lucy A. | 12 | 232, 322 |
| DORAN, Hollis | 7 | 35, 394 |
| DORAN, Hollis | 8 | 446 |
| DORAN, Hollis | 9 | 361 |
| DORAN, Hollis | 10 | 220-221 |
| DORAN, Mary E. | 15 | 255, 279 |
| DOREMIRE, Jacob | 7 | 451 |
| DOREMIRE, Jacob | 8 | 227-228 |
| DORMIER, Phebe | 10 | 290-292 |
| DORMIRE, Pheobe | 11 | 2, 235, 413 |
| DORN, Mary A. | 15 | 474-475 |
| DOUGHERTY, John P. | 5 | 405, 552 |
| DOUGLAS, Alvin F. | 16 | 186 |
| DOUGLAS, James | 3 | 299 |
| DOUGLASS, Alvin E. | 15 | 15-17 |
| DOUGLASS, James | 5 | 427 |
| DOUGLASS, James | 5 | 479, 511, 512 |
| DOUGLASS, James | 6 | 304 |
| DOVE, Eliza | 11 | 563 |
| DOVE, Eliza | 12 | 27 |
| DOWNS, Nancy | 10 | 147 |
| DRAKE, Nathan J. | 1 | 18, 510 |
| DRAKE, Nathan J. | 4 | 23 |
| DREISBACH, Norah | 13 | 44, 194 |
| DREISBAUGH, Norah | 12 | 388 |
| DREITZLER, Jacob | 7 | 520 |
| DREITZLER, Jacob | 8 | 324-325 |
| DRESSER, Hiram | 7 | 539 |
| DRESSER, Hiram M. | 4 | 137, 331, 351 |
| DRESSER, Hiram M. | 6 | 160, 540, 545 |
| DRIESBACH, Catherine | 12 | 80 |
| DRUCKAMILLER, Daniel | 2 | 44 |
| DRUCKAMILLER, Elaneus | 10 | 131 |
| DRUCKAMILLER, Rachel A. | 1 | 340 |
| DUBBS, Frank | 19 | 151-152 |
| DUCKET, Isaac | 1 | 16-17 |
| DUCKET, Isaac | 3 | 167 |
| DUCKETT, Isaac | 2 | 212, 214, 214 |
| DUGANNE, James P. | 8 | 430-431 |
| DUGANNE, Mary A. | 9 | 305-205 |
| DUGANNE, Mary J. | 8 | 103 |
| DULL, Nellie A. | 11 | 517 |
| DULL, Nellie A. | 12 | 138, 390 |
| DULL, Nellie A. | 13 | 36 |
| DULLINGER, Daniel | 4 | 166 |
| DUNFEE, Joseph W. | 13 | 410, 446 |
| DUNLAP, Schuyler R. | 13 | 15, 130 |
| DUNLAP, Schuyler R. | 12 | 468 |
| DUNNICK, Charles E. | 12 | 304 |
| DUNNUCK, Harvey H. | 16 | 279-280 |
| DURBEN, Sarah | 3 | 230, 477 |
| DURBEN, Sarah | 4 | 306 |
| DURBIN, Amos M. | 5 | 53 |
| DURBIN, Sarah | 6 | 25, 59, 291, 424 |
| DURBIN, Sarah | 7 | 279 |
| DURBIN, Sarah | 8 | 63, 521 |
| DUSTER, Ebinezer | 3 | 288 |
| DUSTIN, Ebenezer | 4 | 448, 482 |
| DYER, William | 1 | 150 |
| EARLYWINE, Jane | 4 | 416 |
| EARLYWINE, Jane | 6 | 22, 506 |
| EARLYWINE, Jane | 7 | 343 |
| EARLYWINE, Jane | 8 | 178-179, 571 |
| EARLYWINE, Jane | 9 | 241 |