Transcribed by Kristin Vaughn © 2007
| Name | Registered | Residence & PO | Age at registration | Nativity | Total yrs practice | Years practice in Ill | Certificate issued | Basis of certificate | Date of diploma | Cert filed for record | Other Information |
| Bird, A.M. | Feb 4, 1878 | Mason City | 35 | Pa. | 9 | 8 | Jan 12, 1878 | Certificate of examination |   | Feb. 4, 1878 |   |
| Cooper, C.C. | April 26, 1884 | Havana | 33 | Ill. | 3 | 3 | May 3, 1882 | College of Physicians and Surgeons, Keokuk | Feb. 28, 1882 | May 9, 1882 | Registered in Fulton |
| Crane, O.P. | Dec. 7, 1877 | Mason City | 33 | U.S. | 6 | 6 | Sept. 8, 1877 | Rush Medical College | Jan. 17, 1872 | Dec. 7, 1877 |   |
| Darling, Abel L. | Mar. 7, 1881 | Topeka | 32 | Ohio | 2 | 2 | Sept. 17, 1881 | Eclectic Medical Institute, Cincinnati | June 7, 1881 | Sept. 17, 1877 |   |
| Dieffenbacher, P.C. | Dec. 31, 1877 | Havana | 47 | U.S. | 22 | 18 | Feb. 2, 1878 | Jefferson Medical College | Mar. 10, 1855 | Feb. 8, 1878 |   |
| Downey, J.W. | Nov. 3, 1877 | Topeka | 26 | Ia. | 2 | 2 | Oct. 20, 1877 | College of Physicians and Surgeons, Keokuk | June 20, 1876 | Nov. 3, 1877 |   |
| Eldridge, F.P. | Oct. 1, 1878 | Kilbourn | 24 | Ill. |   |   | Mar. 1, 1878 | Rush Medical College | Feb. 26, 1878 | Mar. 27, 1878 |   |
| Elsberry, I.N. | April 7, 1879 | Mason City | 39 | Ohio | 19 | 10 | Sept. 8, 1877 | Starling Medical College | Feb. 28, 1861 | Apr. 7, 1879 |   |
| Fullerton, James | Jan. 25, 1878 | Bath | 48 | U.S. | 26 | 23 | Dec. 31, 1878 | Twenty-six years' practice |   | Mar. 1, 1879 |   |
| Harmison, D.C. | Oct. 26, 1878 | Bath | 33 | Va. | 4 | 4 | June 25, 1878 | College of Physicians and Surgeons, Keokuk | June 18, 1878 | July 22, 1878 |   |
| Holmes, Nathan | April 9, 1878 | San Jose | 35 | Ill. | 14 | 14 | May 13, 1878 | Fourteen years' practice |   |   | Registered in Logan |
| Kenelley, John S. | April 19, 1880 | Forest City | 26 | Ill. |   |   | Mar. 23, 1880 | College of Physicians and Surgeons, Keokuk | Mar. 2, 1880 | Apr. 19, 1880 |   |
| Marenberg, J. | Jan. 19, 1878 | Havana | 62 | Austria | 25 | 25 | Jan. 30, 1878 | Josephinum Medical College, Vienna | 1845 |   |   |
| McDowell, J.B. | Feb. 5, 1878 | Mason City | 60 | Pa. | 32 | 32 | Jan. 11, 1878 | Medical Department, Kemper College; Missouri Medical College | Feb 1845; Feb. 27, 1849 | Feb. 5, 1878 |   |
| Mosher, Madison E. | Sept 12, 1884 | Bath | 39 | Me. | 10 |   | Aug. 25, 1884 | Eclectic Medical Institute, Cincinnati | May 15, 1877 | Aug. 26, 1884 |   |
| Parkins, G.W. | Feb. 18, 1878 | Havana | 58 | Va. | 26 | 26 | April 5, 1879 | Twenty-six years' practice |   | June 25, 1879 |   |
| Paul, Edward W | Mar. 7, 1884 | Forest City | 28 | Ill. |   |   | Mar. 4, 1884 | Rush Medical College | Feb. 19, 1884 | Mar. 7, 1884 |   |
| Paul, J.B. | Sept 18, 1877 | Havana | 54 | Me. | 20 | 20 | Sept. 14, 1877 | Rush Medical College | Feb. 18, 1857 | Sept. 18, 1877 |   |
| Root, J.W. | June 25, 1878 | Kilbourn | 33 | U.S. | 10 | 10 | Jan. 25, 1878 | Ten years' practice |   | Feb. 15, 1878 |   |
| Spear, J.W. | Jan 14, 1878 | Mason City |   | Ill. | 4 | 4 | Sept. 8, 1877 | Rush Medical College | Feb. 16, 1875 | Dec. 13, 1877 | Registered in Menard Co. |
| Taylor, J.M. | Jan. 23, 1878 | Mason City | 30 | Mo. | 9 | 9 | Jan. 9, 1878 | Homeopathic Medical College of Missouri | Feb. 25, 1869 | Jan. 22, 1878 |   |
| Walker, James A. | Feb. 19, 1878 | Mason City | 45 | Ill. | 19 | 19 | Oct. 16, 1877 | Nineteen years' practice |   | Jan. 23, 1878 |   |
| Walker, James P. | Jan 14, 1878 | Mason City | 52 | Ky | 29 | 29 | Sept. 8, 1877 | Rush Medical College | Feb. 7, 1850 | Dec. 13, 1877 | Registered in Logan and Menard |
| Walker, W.W. | Feb. 17, 1878 | Easton | 56 | Ky | 19 | 19 | Feb. 13, 1878 | Nineteen years' practice |   | Feb. 13, 1878 |   |
| Winn, J.M. |   | Forest City |   |   | 10 | 10 | Dec. 12, 1877 | Ten years' practice |   |   |   |
DECEASED
| Name | Residence & PO | Age at registration | Date of Death | Cause of Death |
| Walker, James B | Forest City | 44 | Dec. 19, 1883 | Overdose of morphia |
MIDWIVES
| Name | Residence & PO | Certificate issued | Basis of certificate |
| Boyd, Keranhappuck A. | Bath | June 30, 1879 | Twenty-five years' practice |