| File # | Defendant | Plaintiff | Year |
| 02578 | La Fayette Lumber Co. et al. | Murphy, John et al. | 1892 |
| 060 | La Moria, John | La Moria, Mary E. | 1885 |
| 02606 | La Pointe, Cornelius et al. | Mennior, Joseph | 1892 |
| 04327 | Labuwin, E. J. | Ryan, John H. | 1907 |
| 0941 | Lahaie, Amasa | Cotry, Joseph L. | 1859 |
| 02412 | Lakin, Lemuel | Mitchell & Wadsworth | 1848 |
| 03732 | Lakin, Lemuel | Warren, Andrew Jr. | 1850 |
| 01301 | Lally, Anthony | Evans, John | 1871 |
| 04290 | Lamb, James | Walkusch, John | 1882 |
| 0521 | Lamb, L. R. et al. | Brown, A. W. et al. | 1879 |
| 02452 | Lamere, Francis | Robb & McIntosh | 1852 |
| 03238 | Lamere, Francis | Sylvester, Joseph | 1862 |
| 0402 | Lamere, Francis et al. | Brown, Timothy | 1858 |
| 02151 | Lamere, Louis | Lamere, Helen | 1887 |
| 02170 | Lamere, Louis J. | Lamere, Ellen M. | 1876 |
| 0523 | Lamoreux, O. H. | Baker, J. H. | 1875 |
| 0961 | Lamoreux, O. H. | Carpenter, S. B. | 1876 |
| 03154 | Lamoreux, O. H. | Russell, C. J. et al. | 1871 |
| 03337 | Lamoreux, O. H. | Steine & Mendell | 1871 |
| 03375 | Lamoreux, O. H. | Sawyer, C. B. & Co. | 1870 |
| 03795 | Lamoreux, O. H. | Wiswall, Chas. E. et al. | 1873 |
| 0946 | Lamoreux, O. H. et al. | Coughlan, Thos. W. et al. | 1870 |
| 02289 | Lamoreux, O. H. et al. | Mitchell, Peter et al. | 1877 |
| 01924 | Lamoreux, Oliver H. et al. | Johnson, Allen | 1872 |
| 03729 | Lamoreux, W. O. et al. | Wisconsin Mfg. Co. | 1874 |
| 03377 | Lampert, J. | Slothower, J. | 1881 |
| 02299 | Lampert, J. et al. | Maxfield, J. C. | 1878 |
| 02813 | Lamphear & Lamphear | Pilke, Gotlieb | 1860 |
| 0404 | Lamphear, Ezra | Bean, Thomas G. | 1868 |
| 02043 | Lampman, Joseph M. et al. | Kollock, Wellington et al. | 1859 |
| 03347 | Lampman, Wm. H. | Sellers, John | 1885 |
| 0959 | Landers, John | Clifford, Wm. J. | 1872 |
| 01803 | Landers, John | Welch, Thomas et al. | 1881 |
| 02192 | Landsoorck, Ole | Landsoorck, Mary R. | 1874 |
| 02106 | Lang, Alexander | Parkhurst, Lyman | 1856 |
| 0205 | Langenberg, Wm. | Moylan, Martin | 1897 |
| 03683 | Langenberg, Wm. et al. | Vaughn, D. H. et al. | 1882 |
| 02159 | Lant, Mary C. | Lant, David H. | 1867 |
| 03344 | Larabetski, Antone | Spychalski, Stephen | 1885 |
| 02806 | Larimer, Charles et al. | Powers, Franklin M., et al. | 1861 |
| 02142 | Larkin, Thomas | Larkin, Jennette | 1878 |
| 01543 | Larson, Elisha et al. | Gould, Wm. S. et al. | 1858 |
| 01544 | Larson, Elisha et al. | Gould, Wm. S. | 1853 |
| 02158 | Latendre, Betsy | Latendre, Henry | 1857 |
| 0362 | Lavigne, Eusebius | Burr, John | 1855 |
| 02492 | Lavigne, Eusebius | Morseau, Benjamin | 1851 |
| 02280 | Lawrence, Albert et al. | McCulloch, H. D. et al. | 1880 |
| 02144 | Lawrence, Eliza Jane | Lawrence, Bedford | 1880 |
| 01490 | Lawrence, Geo. A. et al. | Ganes, John W. | 1875 |
| 01336 | Lawton, James et al. | Flum, Ole G. | 1872 |
| 02143 | Lean, Emma J. | Lean, Joseph A. | 1876 |
| 03733 | Lebriche, Maxims | Whitney, H. A. &c. | 1850 |
| 02902 | LeClaire, John | Pannell, Charles | 1857 |
| 0677 | Ledyard, G. H. | Bradley & Metcalf | 1852 |
| 04178 | Ledyard, N. D. et al. | Young, William P. | 1852 |
| 058 | Lee, Henry W. | Lee, Lydia | 1891 |
| 02181 | Lee, Mary L. | Lee, Joseph R. | 1875 |
| 03605 | Lee, R. H. et al. | Teal, E. L. et al. | 1858 |
| 02489 | Lee, Thomas | Mitchell, Samuel | 1852 |
| 0705 | Lemesieurce, John | Brisset, Francis | 1846 |
| 0734 | Lemessure, John | Barns, Harvey et al. | 1847 |
| 04266 | Leonard, George J. &c. | Listman Mill Co. | 1896 |
| 04267 | Leonard, George J. &c. | Chicago Spice Co. | 1896 |
| 04268 | Leonard, George J. &c. | McLaughlin, W. J. & Co. | 1896 |
| 04269 | Leonard, George J. &c. | Brandenstein, M. J. & Co. | 1896 |
| 04270 | Leonard, George J. &c. | Dean Bros. & Lincoln | 1896 |
| 04271 | Leonard, George J. &c. | Marinette Soap Co. | 1896 |
| 0944 | Leonard, Wm. | Clinton National Bank | 1877 |
| 01682 | Letters, Samuel et al. | Hackett, T. H. | 1875 |
| 02485 | Lewis, S. & Brother | Markham, J. S. | 1853 |
| 03237 | Lewis, S. & W. | Sherman, Charles R. | 1856 |
| 04105 | Lewis, Shubael et al. | Van Winter, Michael | 1856 |
| 03980 | Lien, John | Walton, Mary | 1888 |
| 03239 | Lincoln, D. D. et al. | Snyder, James | 1880 |
| 02257 | Lincoln, Izetta et al. | McCrossen, Robert | 1877 |
| 04081 | Lind & Patterson | Whiting, Daniel | 1856 |
| 0907 | Lind, John W. | Clinton National Bank | 1878 |
| 02932 | Lind, John W. | Perry, Hiram Jr. | 1873 |
| 04277 | Lindsfelt, Olive St. Sure | St. Sure, Wm. O. | 1896 |
| 0918 | Linzis, Robert | Cochran, Thomas | 1847 |
| 02145 | Livingston & Blodgett | Livingston, R. H. et al. | 1859 |
| 03649 | Livingston, C. et al. | Trowbridge, G. A. | 1860 |
| 01499 | Livingston, John H. | Gould, Ingraham | 1862 |
| 03362 | Loberg, L. L. Adm'r. | Snyder, O. O. Adm'r. | 1877 |
| 03091 | Lock, Jesse | Reed, John | 1851 |
| 01819 | Lombard, Geo. H. | Head, Daniel | 1879 |
| 01653 | Lombard, Geo. H. et al. | Head, Daniel | 1879 |
| 02647 | Lombard, Horace et al. | Nelson, J. J. | 1877 |
| 01808 | Lombard, Lewis | Head, Daniel | 1878 |
| 03110 | Lombard, Lewis, et al. | Rice, Bradley | 1861 |
| 03336 | Lombard, Washington | Strope, George | 1860 |
| 02470 | Long, David D. | Mason, George A. | 1858 |
| 02471 | Long, David D. | Mason, Lyman H. | 1857 |
| 02221 | Long, David D. et al. | Sprague, Horatio J. | 1860 |
| 02009 | Longofski, Simon | Kickel, Jacob | 1883 |
| 01194 | Loomis, C. A. et al. | Doctor, M. | 1860 |
| 01254 | Loomis, Calvin A. | Eaton, Alanson | 1856 |
| 0656 | Loomis, Calvin A. et al. | Blodgett, Nelson et al. | 1857 |
| 03528 | Loop & Crosby | Stevens, George | 1849 |
| 080 | Lorbieski, Antone | National Bank of Battle Creek, Mich. | 1892 |
| 0522 | Lorbieski, Antoni | Barnes, W. G. & W. | 1890 |
| 02709 | Lord, A. K. et al. | Oppenheimer, H. E. et al. | 1888 |
| 0291 | Lovely, John | Altman, C. & Co. | 1877 |
| 02326 | Low, James J. | Morrison, Joseph | 1855 |
| 0660 | Lowe, Nelson et al. | Beckwith, N. F. et al. | 1853 |
| 02195 | Lowry, Edwin D. | Lowry, Hattie M. | 1869 |
| 03531 | Loyd, N. B. | Sprague, H. I. et al. | 1856 |
| 01556 | Lubitz, August et al. | Goerke, August | 1888 |
| 01489 | Luce, A. J. et al. | Gratz, A. F. | 1884 |
| 068 | Luce, Almina L. | Luce, Arthur J. | 1887 |
| 04049 | Luce, B. F. H. | Warren, Andrew | 1852 |
| 059 | Luce, Este M. | Luce, James R. | 1888 |
| 02176 | Luce, J. R. | Laris, Julia et al. | 1876 |
| 02301 | Luce, J. R. et al. | Malick, J. P. | 1881 |
| 02189 | Luce, James R. | Luce, W. H. | 1889 |
| 02190 | Luce, James R. | Luce, Nicholas D. | 1872 |
| 02258 | Luce, James R. et al. | May, Geo. W. C. | 1869 |
| 02402 | Luce, Judson | Millett, Benjamin | 1854 |
| 02454 | Luce, Judson | Millett, Benjamin | 1854 |
| 02182 | Luce, Wm. H. | Luce, Arthur | 1877 |
| 01805 | Lucowitz, John | Henz, Mary Ann | 1877 |
| 02207 | Lukaszevicz, John | Lukaszevicz, Kasmier | 1889 |
| 03991 | Lukaszevig, John | Wysocki, John | 1889 |
| 01571 | Lukaszevig, Paul et al. | Grant, Horace | 1879 |
| 0940 | Lukaszewitz, Casmier | City of Stevens Point | 1866 |
| 0913 | Lull, H. H. | Chandler, Isaac | 1847 |
| 0709 | Lunt, Jonathan et al. | Brawley, Abraham | 1858 |
| 057 | Lutz, August et al. | Kiewert, Chas. L. et al. | 1890 |
| 02807 | Lutz, George | Port, Louis | 1889 |
| 0198 | Lutz, John | Buswell, S. N. | 1893 |
| 03652 | Lyman, G. N. | Thomas, Benjamin et al. | 1858 |
| 02661 | Lynd, John et al. | Northrop & Co. | 1854 |
| 04044 | Lyon, Judson | Walton, William | 1876 |
| 04037 | Lyon, Reuben C. | Wisconsin River Improvement Co. | 1868 |
| 04112 | Lyon, Timothy | Wood, Parker | 1845 |