The following is a list of senders of the Davenport letters, with notations of number of letters and their inclusive years for each sender. In most cases the names of senders serve as folder titles; when "mounted postcards" are mentioned, however, users must refer to the postcard files at the end of the alphabet.
| Adam, Joseph S. | 2 | 1878 | |
| Alden, George J. | 1 | 1877 | |
| Allen, Abbie A | 1 | 1879 | |
| Ames, Mary E. Pulsifer | 10 | 1874-1878 and n.d. | |
| Anderson, Charles Lewis | 3 | 1874-76 | 1 postcard in the mounted postcards folder |
| Andrews, Albert LeRoy | 4 | 1900-1901 | |
| Andrewn Luman | 5 | 1903 | |
| Andriessen, Hugo | 4 (1 incomplete) | 1881 and n.d. | |
| Anthony, Emilia Crane (ne Royce) | 2 | 1901 | |
| Arthur, Joseph Charles | 3 | 1882-1896 | |
| Austin, Rebecca Merritt (formerly Leonard, ne Smith) | 6 | 1875-1876 | 1 mounted postcard, 1877 |
| Bagg, S.C., Mrs | 1 | 1881 | |
| Baker, John Gilber | 7 | 1880-1899 | |
| Baldwin, Henry | 1 | 1883 | |
| Barnes, Kate L. | 19 | 1875-1898 and n.d. | 1 mounted postcard, n.d. |
| Barnett, Evelyn Snead | 1 | 1902 | |
| Bartlett, Julia B. | 1 | n.d. | |
| Bates, William H. | 3 | 1882 | |
| Beach, Amy M. (Mrs. H.H.A.) | 1 | 1901 | |
| Beal, William James | 3 | 1882 | |
| Beardslee, Henry Curtis | 1 | 1879 | |
| Beauchamp, W.M. | 1 | 1886 | |
| Bennett, James Lawrence | 4 and list of Filices | 1877 | |
| Bessey, Charles Edwin | 4 | 1898-1900 | |
| Biddlecome, Hannah J. | 2 mounted postcards | 1876-1877 | |
| Birkenhead, W.J. (nursery and seedsmen) | 4 | 1878-1879 | |
| Bishop, James Nathaniel | 6 | 1896-1900 | |
| Botanical Gazette | 1 | 1896 | |
| Bourn, Allan | 8 | 1904-1906 | |
| Bourquin, Fred I. | 2 | 1873 | |
| Bradleee H. | 1 | 1888 | |
| Bradley, Frank Howe | 1 mounted postcard | 1875 | |
| Brandegee, Towshend Stith | 18 | 1873-1907 and n.d. | |
| Britton, Elizabeth Gertrude (née Knight) | 29 | 1886-1901 | |
| Britton, Nathaniel Lord | 3 | 1889-1896 | |
| Brown, Addison | 9 | 1878-1883 | |
| Brown, S.A. | 2 | 1897-1898 | |
| Buckley, Samuel Botsford | 1 | 1874 | |
| Burbank, H.H. | 1 | 1889 | |
| Burgess, I.I.W. | 3 | 1884-1887 | |
| Burnham, Florence I.W. | 1 | n.d. | |
| Burnham, Steward Henry | 2 | 1900-1901 | |
| Bush, A.E., Mrs. | 12 | 1879-1883 | |
| Buswell, E.W. | 5 | 1885 | |
| Butler, Alford Augustus | 1 (incomplete) | n.d. | |
| Butler, E.E. | 2 | 1878 | |
| Butler, Faustina | 1 | n.d. | |
| Butler, L., Miss | 1 | n.d. |
| Cape, Edw. D. | 1 | 1883 | ||
| Cassino, Samuel Edson | 6 | 1887-1881 | ||
| Cathcart, Wallace Hugh | 1 | 188_ | ||
| Chamberlain, Edward Blanchard | 1 | 1901 | ||
| Chandler, Harley Pierce | 1 | 1903 | ||
| Chapin, Emily J(?) (Mrs. C.O.) | 2 | 1898 | ||
| Chapman, Alvin Wentworth | 3 | 1874-1883 | ||
| Cheney, Clara Imogene | 1 | 1902 | ||
| Christ, (Konrad) Hermann Heinrich | 7 | 1885-1901 | 1 translation | marked copy of Davenport's North American Ferns list |
| Clapp, Henry Lincoln | 1 | 1899 | ||
| Clapp, Ida (Mrs. J.B.) | 2 | 1901 | ||
| Clark, Alice L. (née Grinnell) | 1 (with photo of a specimen) | 1904 | ||
| Clark, John S. | 2 | 1885 | ||
| Clarke, F.L. | 2 | 1883-1885 | ||
| Cleveland, Daniel | 17 | 1875-1886 | 12 mounted postcards | 1875-1878 |
| Clinton, George William | 1 | 1879(?) | ||
| Clute, Willard Nelson | 11 | 1896-1906 | ||
| Coffin, Judith Hopkins | 1 | n.d. | ||
| Collins, Frank Shipley | 4 | 1879-1904 | ||
| Collins, James Franklin | 1 | 1905 | ||
| Conant, Woodbury Page | 1 | 1883 | ||
| Congdon, Joseph Whipple | 8 | 1873-1875 | ||
| Cooper, Sarah Paxen (née Moore) | 4 | 1875-1878 | ||
| Coulter, John Merle | 5 | 1882-1901 | ||
| Courtis, William Munroe | 5 | 1880 and n.d. | ||
| Coville, Frederick Vernon | 1 | 1900 | ||
| Cowles, S.N. | 1 | 1876 | ||
| Crawford, Caroline M. | 1 | 1892 | ||
| Crook, G.W.M. | 1 | 1889 | ||
| Cunningham, Kate M. | 1 | n.d. | ||
| Curtiss, Allen Hiram | 11 | 1874-1901 | 3 mounted postcards | 1874-1878 |
| Dame, Lorin Low | 2 | 1887, 1897 |
| Darling, Nancy | 2 | 1906 |
| Darlington, Howard | 2 | 1886 |
| Davenport, Elizabeth Braxton (née Simpson) | 17 | 1901-1906 and n.d. |
| Davis, W.M. | 1 | n.d. |
| Day, Mary Anna | 1 | 1901 |
| Deane, Walter | 12 | 1884-1897 |
| Dement, J.C. | 1 | 1882 |
| Demetrio, Carl Hermann | 3 | 1897-1906 |
| Dewey, Lyster Hoxie | 2 | 1897-1898 |
| Dodge, Raynal [1] | 8 | 1892-1895 |
| Dodge, Raynal [2] | 12 | 1896-1897 |
| Druery, Charles Thomas | 1 (copy) | 1900 |
| Dudley, William Russel | 1 | 1881 |
| Duidwiddir (?), Rob | 1 | 1883 |
| Dukes, W.C. | 15 | 1904-1906 |
| Eastman, Helen | 3 | 1904 | ||||
| Eaton, Alvah August | 8 | 1898-1905 | ||||
| Eaton, Daniel Cady [1] | 35 | 1873-1879 | ||||
| Eaton, Daniel Cady [2] | 31 | 1880-1896(?) [Eaton died June 30, 1895, but letter appears to be dated 1896] | copies of 3 letters to and from Eaton | 1880 | 1 letter from Caroline K. Eaton | n.d. |
| Edwards, William | 19 | 1873-1881 and n.d. | 3 mounted postcards | n.d. | ||
| Eggleston, Willard Webster | 2 | 1893 | ||||
| Elliott, Arthur H. | 2 | 1891 | ||||
| Evans, Alexander William | 1 | 1896 |
| Fairbanks, A.D. | 1 | 1879 | ||
| Fairchild, David Grandison | 3 | 1897-1898 and n.d. | ||
| Farlow, William Gilson | 8 | 1898-1899 and n.d. | ||
| Farwell, Oliver Atkins | 1 | 1888 | ||
| Faxon, Charles Edward | 6 | 1887-1901 and n.d. | 2 mounted postcards | n.d. |
| Fernald, Merritt Lyndon | 10 | 1896-1905 | ||
| Feriss, James Henry | 1 | 1903 | ||
| Fewkes, J. Walter | 1 | n.d. | ||
| Fisher, Ellen S. | 1 | 1879 | ||
| Fletcher, F.W. | 1 | 1879 | ||
| Flett, John Bakkie | 1 | 1901 | ||
| Floyd, Frederick Gillan | 1 | 1901 | 1 herbarium label | |
| Foote, Albert Edward | 3 | 1877 and n.d. | ||
| Francis, George E. | 3 | 1877-1878 | 1 plant list | |
| Friese, M. | 1 | 1876 | ||
| Frost, Charles Christopher | 1 mounted postcard | 1873 | ||
| Fuller, Julius R. | 2 | 1883 | ||
| Fuller, Lucy Derby | 1 | 1901 | ||
| Furbish, Kate | 10 | 1875-1905 and n.d. | 1 mounted postcard | n.d. |
| Gallogh, William | 1 letter to J.G. Lemmon | 1881 | ||
| Garber, Abram paschal | 3 | 1877-1878 | 1 mounted postcard | 1878 |
| Gerard, William Ruggles | 23 | 1880-1885 and n.d. | ||
| Gibbons, William Peters | 4 | 1874-1876 | ||
| Gifford, I.S. (Mrs. Henry S.) | 13 | 1878-1883 and n.d. | ||
| Gilbert, Benjamin Davis [1] | 39 | 1880-1901 | ||
| Gilbert, Benjamin Davis [2] | 29 | 1902-1906 and n.d. | several pages of loose notes | |
| Gillett, Edward | 2 | 1878, 1880 | ||
| Gillman, Henry | 10 | 1873-1875 | 1 mounted postcard | 1874 |
| Grant, John Marshall | 3 | 1873-1874 and n.d. | ||
| Grant, Margaret H | 1 | n.d. | ||
| Graves, Charles Burr | 4 | 1896-1902 | ||
| Gray, Asa | 1 mounted postcard | n.d. | ||
| Green, Henry Albert | 2 | 1881 | ||
| Greene, Edward Lee | 2 | 1874-1875 | 1 mounted postcard | 1876 |
| Greenman, Jesse More | 1896-1903 | |||
| Griffin, Delia Isabel | 2 (1 incomplete) | 1905-1906 | ||
| Guilford, A.B. | 3 | 1875-1876 | 3 mounted postcards | 1876, 1878 and n.d. |
| Guttenberg, Gustavus [Gustav von] | 1 | 1880 |
| Haines, T(?) Harvey | 1 | 1898 | ||
| Harger, A. | 1 | 1878 | ||
| Harrington, Mark Walrod | 4 | 1873-1874 | 1 plant list | |
| Harwood, G.S. Mrs. | 1 | 1906 | ||
| Haskins, C.C. | 1 | 1876 | ||
| Hawes, C.A. | 1 | 1904 | ||
| Hawley, Helen D. | 8 | 1877-1879 | ||
| Hawthorne, B.J. | 1 letter to J.G. Lemmon | 1881 | ||
| Hazen, Tracy Elliot | 1 | 1903 | ||
| Heacock, Edward R. | 2 | 1905, 1907 | ||
| Herrpt (?), F.H. | 1 | 1898 | ||
| Higginson, Storrow | 7 | 1871-1887 and n.d. | ||
| Hinckley, A.J.(?) | 1 | 1903 | ||
| Holden, Issac | 7 | 1887-1888 | ||
| Holland, J.W. | 1 | 1884 | ||
| Holm, Theodor | 2 | 1900-1901 | ||
| Hooker, Joseph Dalton | 2 | 1878 | ||
| Horner, Charlotte Nichols (née Saunders) | 9 | 1885-1905 | ||
| Horsford, Frederick Hinsdale | 1 | 1886 | ||
| Horton, Frances Belle | 19 | 1900-1905 and n.d. | ||
| Hosmer, Abby P. (also Abbie) | 1 | 1878 | ||
| Hosmer, Eliza (also Elisa) | 21 | 1875-1877 and n.d. | 7 mounted postcards | n.d. |
| Hosmer, Jane | 3 | 1874-1876 | ||
| Hotchkiss, Mary T. | 1 | 1881 | ||
| Howell, Joseph | 9 | 1875-1896 | 2 mounted postcards | 1876 and n.d. |
| Howell, Thomas Jefferson | 4 | 1883-1895 | ||
| Hulst, George Duryee | 1 | 1885 | ||
| Humphrey, George W. | 1 | 1876 | ||
| Huntington, John Warren | 2 | 1897 |
| Isaman, S. George | 3 | 1879-1882 |
| Jackson, A.B. | 1 | 1877 | ||
| Jackson, Robert Tracy | 1 | 1905 | ||
| Jellett, Edwin Costley | 1 | 1901 | ||
| Jenks, Charles William | 1 | 1902 | ||
| Jesup, Henry Griswold | 10 | 1875-1878 | ||
| Johnson, Charles F. | 1 | n.d. | ||
| Johnson, Joseph Ellis | 3 | 1875 | 4 mounted postcards | 1874-1876 |
| Jones, Lewis Ralph | 1 | 1901 | ||
| Jones, Marcus Eugene | 5 | 1880-1907 | ||
| Joor, J.F. | 4 mounted postcards | 1875-1876 |
| Keeler, Henry Dutton | 1 | 1874 | |
| Kennedy, George Golding | 5 | 1888-1904 | |
| Kimball, Laura Frances | 3 | 1900-1906 and n.d. | 1 plant list |
| King, John D. | 1 | 1883 | |
| Klugh, Alfred Brooker | 2 | 1903, 1906 | |
| Knight, Elizabeth Gertrude (later Mrs. Britton) | 2 | 1884 | |
| Knowles, Charles J.A. | 2 | 1881 | |
| Knox, E.C. | 2 | 1879-1880 | |
| Krauskopf, E. | 1 | 1878 |
| Lajos, Richter | 2 | 1876-1878 | ||
| Lawrence, Rosewell B. | 1 | 1885 | ||
| Leggett, William Henry | 19 | 1873-1882 and n.d. | 7 mounted postcards | 1875-1878 |
| Lemmon, John Gill | 7 | 1873-1886 | 2 mounted postcards | 1874, 1877 |
| LeRoy, Peter Vincent | 3 | 1876-1880 | 2 mounted postcards | 1877 |
| Lesquereux, Charles Leo | 1 | 1873 | ||
| Lincoln, Agnes Wyman | 1 | 1897 | ||
| Lown, Clarence [1] | 32 | 1878-1880 | ||
| Lown, Clarence [2] | 23 | 1881-1886 | ||
| Lyon, Harold Lloyd | 1 | 1904 |
| McDonald, Francis Eugene | 2 | 1897 | |||
| McKay, Alexander Howard | 2 | 1876 | |||
| Macoun, John | 8 | 1874, 1897 | 1 mounted postcard | 1878 | |
| Mair, J. | 1 | 1872 | |||
| Mally, Clara L. | 2 | n.d. | |||
| Manahan, Kirk | 1 | 1879 | |||
| Manning, Warren Henry | 2 | 1887, 1895 | |||
| Mansfield, I.F. | 2 | 1881, 1883 | |||
| Martindale, Isaac Comly | 1 | 1883 | |||
| Maxon, William Ralph | 25 | 1897-1907 | |||
| Maxwell, Laura | 1 | n.d. | |||
| Meehan, Thomas | 2 | 1883, 1895 | |||
| Menin(?), J. Warren | 17 | 1876-1882 | |||
| Merrell, A.H., Mrs. | 1 | 1896 | |||
| Merrill, Joseph Warren | 1 mounted postcard | n.d. | |||
| Mertz, Henry Ney | 1 | 1879 | |||
| Metcalf, Rest E. | 1 | n.d. | |||
| Miller, Elihu Sanford | 3 | 1873 | 5 mounted postcards | 1873, 1878 and n.d. | |
| Miller, F.A. | 4 | 1873-1874 | |||
| Miller, Mary Farnham | 1 | 1901 | |||
| Millington, Lucy A. (née Bishop) | 1 | 1878 | 1 mounted postcard | n.d. | |
| Millspaugh, Charles Frederick | 14 | 1892-1899 and n.d. | |||
| Minns, Susan | 1 | 1899 | |||
| Mirick, Nellie | 3 | 1897-1905 | |||
| Mohr, Charles Theodore | 8 | 1878-1901 | 1 mounted postcard | 1878 | |
| Moody, Elizabeth Meads | 1 | 1902 | |||
| Moody, Henry L. | 5 | 1878 and n.d. | 1 mounted postcard | n.d. | |
| Morong, Thomas | 3 | 1888 | |||
| Morse, Frances R. | 1 | 1901 | |||
| Morss, Philip B. | 1 | 1900 | |||
| Myers, Frances J. [1] | 45 | 1877-1883 | |||
| Myers, Frances J. [2] | 25 letters from Davenport | 1878-1880 | 2 sets of carbons of typescripts of these letters | typescripts of 2 other letters from Davenport to Myers | 1879 |
| Nash, Frances | 1 | 1880 |
| Nichols, H.P. | 1 | 1878 |
| Norton, Mary E.B. | 2 | 1880 |
| Noyes, Helen Maria | 1 | 1899 |
| Orcutt, Charles Russell | 4 | 1884-1901 | 1 letter from Mrs. Orcutt | 1894 |
| Owen, Maria Louisa (née Tallant) | 7 | 1900-1905 |
| Packard, Alpheus Spring | 2 | 1878, 1882 | |||
| Paine, John Alsop | 2 mounted postcards | 1876 | |||
| Palmer, Edward | 5 | 1876-1900 | 1 sheet of field notes | n.d. | |
| Parish, Samuel Bonsall | 15 | 1879-1901 | |||
| Parlin, John Crawford | 2 | 1898, 1907 | |||
| Parry, Charles Christopher | 8 | 1873-1884 | 5 mounted postcards | 1874-1877 | |
| Patterson, Harry Norton | 2 | 1886, 1890 | |||
| Payser, W.A. | 1 | 1907 | |||
| Pelton, Emily O. | 23 | 1875-1882 | 3 mounted postcards | n.d. | |
| Perkins, Charles Edward | 1 | 1881 | |||
| Perkins, George Henry | 1 | 1873 | |||
| Peters, Thomas Minott | 4 | 1873-1876 | 4 mounted postcards | 1874, 1876 | |
| Piper, S.M., Mrs. | 36 | 1872-1887 | 1 mounted postcard | 1876 | |
| Plimpton, F.S. | 2 | 1890 | |||
| Pliven (?), Charles F. | 1 | n.d. | |||
| Porter, Thomas Conrad | 1 | 1890 | |||
| Powell, S.L. | 1 | 1891 | |||
| Pratt, Henry M. | 1 mounted postcard | n.d. | |||
| Pratt, Minot | 5 | 1872-1875 | 5 mounted postcards | 1873, 1877 and n.d. (in postcard files at the end of correspondence) | |
| Price, Sarah Frances (Sadie) | 1 | 1896 | |||
| Prindle, Earle S. | 1 | 1887 | |||
| Pringle, Cyrus Guernsey [1] | 27 ( 1 incomplete) | 1873-1876 | 18 labels | 6 mounted postcards | 1876-1877 and n.d. |
| Pringle, Cyrus Guernsey [2] | 52 | 1877-1885 | |||
| Pringle, Cyrus Guernsey [3] | 42 | 886-1891 | |||
| Pringle, Cyrus Guernsey [4] | 32 | 1892-1899 | |||
| Purdie, Henry Augustus | 1 | 1903 |
| Rand, Edward Lothrop | 8 | 1896-1898 | |||||
| Rattan, Volney | 1 | 1889 | |||||
| Ravenel, Henry William | 1 mounted postcard | 1878 | |||||
| Redfield, John Howard | 37 | 1873-1890 | 1 mounted postcard | 1878 | |||
| Reverchon, Julien | 4 | 1879-1887 | 2 plant lists | ||||
| Reynolds, Mary Collins | 4 | 1879-1884 | |||||
| Rich, William Penn | 1 | 1902 | |||||
| Richard, D. | 3 | 1872 | |||||
| Richards, Josephine L. | 4 | 1883-1896 and n.d. | |||||
| Richards, P.D. | 1 | 1884 | |||||
| Richardson, Charles E. | 1 | 1902 | |||||
| Richardson, E. | 2 | 1878 | 1 mounted postcard | 1878 | 1897 | ||
| Robinson, Benjamin Lincoln | 14 | 1895-1905 and n.d. | 2 letters to Robinson: | 1 from Metropolitan Park Commission | 1 from Davenport | 2 mounted postcards | n.d. |
| Robinson, John [2] | 22 | 1878-1884 and n.d. | 1 letter from John H. Choate to Robinson | 1879 | |||
| Roeh__, William | 1 | n.d. | |||||
| Rooney, Bridget M. | 5 | 1905-1906 | |||||
| Rose, Joseph Nelson | 15 | 1890-1900 | |||||
| Ross, Ellen H. | 1 | 1899 | |||||
| Rous, Francis Peyton | 2 | 1896 | |||||
| Rovirosa, Jose N. | 1 | 1900 with partial translation | |||||
| Roy, Jessie D. | 21 | 1873-1880 | 1 mounted postcard | n.d. | |||
| Roy, William | 4 | 1875-1879 | |||||
| Rugg, Harold Goddard | 3 | 1906 | |||||
| Ruggles, Byron P. | 5 | 1886-1895 | 1 plant list | > | |||
| Rusby, Henry Hurd | 1 | 1897 | |||||
| Rust, Mary Olivia [1] | 21 | 1875-1877 and n.d. | 5 mounted postcards | n.d. | |||
| Rust Mary Olivia [2] | 22 | 1878-1883 | typescript of letter to Rust from Davenport | 1884 |
| Sargent, Charles Sprague | 5 | 1881-1891 | |||
| Schneck, Jacob | 5 | 1880-1901 | |||
| Scribner, Frank Lamson | 2 | 1876-1877 | |||
| Seaton, Henry Eliason | 17 | 1884-1888 | |||
| Selous, Florence | 1 | 1891 | |||
| Seelye, Charles W. | n.d. | ||||
| Seymour, Arthur Bliss | 2 | 1885, 1894 | |||
| Sattuck, Isabelle C. | 1 | 1901 | |||
| Shockley, William Hillman | 5 | 1878-1879 | |||
| Slosson, Margaret [1] | 21 | 1896-1900 and n.d. | |||
| Slosson, Margaret [2] | 19 | 1901 and n.d. | |||
| Slosson, Margaret [3] | 9 | 1902-1907 and n.d. | |||
| Smith, Charles L(?) | 1 | 1897 | |||
| Smith, Erwin Frink | 1 letter to Warren H. Manning | 1898 | |||
| Smith, John Donnell | 14 | 1878-1883 | 1 plant list | 1 mounted postcard | 1878 |
| Smith, S. Isabelle | 1 | 1905 | |||
| Snow, Francis Huntington | 1 mounted postcard | 1875 | |||
| Spalding, | 2 | 1873, 1878 | 1 mounted postcard | 1874 | |
| Steele, Maria Olivia | 1 | 1886 | |||
| Stone, Leander Mrs. | 1 | 1882 | |||
| Stout, Anna A. | 3 | 1882 | |||
| Stout, William (1) | 32 | 1878-1879 | |||
| Stout, William (2) | 41 | 1880-1882 | annotated copy of Davenport North American Ferns list | ||
| Suksdorf, Wilhelm Nikolaus | 11 | 1882-1895 |
| Terry, Emily (née Hitchcock) [1] | 28 (2 incomplete) | 1904-1905 |
| Terry, Emily (née Hitchcock) [2] | 13 | 1906-1908 |
| Thayer, H.C. | 1 | 1884 |
| Thompson, Jos. P. | 1 | 1895 |
| Trelease, William | 3 | 1896-1900 |
| Tucker, A.E. Mrs. | 1 | 1883 |
| Underwood, Lucien Marcus [1] | 36 | 1878-1895 and n.d. | 1 mounted postcard | n.d. |
| Underwood, Lucien Marcus [2] | 18 | 1896-1906 |
| Wallengren, Hans Thure Sigurd | 1 | 1883 | ||
| Ware, Robert Allison | 3 | 1906 | ||
| Warne, Henry A. | 2 | 1877 | 4 mounted postcards | n.d. |
| Watt, David Allan Poe | 5 | 1874-1897 and n.d. | ||
| Webster, Joseph Rowe | 1 | 1900 | ||
| Webster, Mary F. | 1 | 1901 | ||
| Welcome, George H. | 2 | 1889, 1892 | ||
| Wendte, William | 16 | 1900-1903 and n.d. | 1 letter to Wendte from Davenport | 1901 |
| Werner, William C. | 1 | 1886 | ||
| Wheeler, Erastus S. | 4 | 1878-1887 | 2 mounted postcards | n.d. |
| White, Frank A. | 5 | 1878-1880 | ||
| Whitner, J.N. | 1 | 1874 | ||
| Wibbe, John Herman | 2 | 1878 | ||
| Wight, Alexander Este | 1 | 1905 | ||
| Willard, Charlotte A. | 1 | 1880 | ||
| Williams, Emile Francis | 1 | 1896 | ||
| Williamson, John [1] | 36 (2 incomplete) | n.d. | ||
| Williamson, John [2] | 27 | 1878-1879 | ||
| Williamson, John [3] | 31 | 1880-1884 | ||
| Williamson, John | 2 mounted postcards | 1878 and n.d. | ||
| Wilmot, N.H. | 1 mounted postcard | 1877 | ||
| Wilson, James | 1 | 1896 | 1 mounted postcard | 1877 |
| Wilson, William M. | 3 | 1875-1876 | ||
| Wolcott, William E. | 2 | 1892 | ||
| Wood, Alphonso | 1 | 1878 | ||
| Wood, George A. | 1 | 1899 | ||
| Woodward, Mrs. | 1 | 1876 | ||
| Woolson, Grace A. | 13 | 1897-1906 | ||
| Woolson, M. | 4 | 1872-1873 | ||
| Woolson and Co. | 1 | 1881 | ||
| Wright, William Greenwood | 24 | 1879-1884 and n.d. |
| Yates, Lorenzo Gordin | 7 | 1879-1889 | ||
| Yinnans, Julia | 1 | 1883 | ||
| Young, Maude Jeannie | 10 | 1876-1880 | 1 mounted postcard | n.d. |