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| NAME | SECTION | ACRES | TOWNSHIP NAME | TOWNSHIP | RANGE |
| M.E. Church | 11 | Harrison | 86 North | 10 West | |
| M.E. Church | 2 | Eden | 84 North | 10 West | |
| MacIntosh, | 26 | 80 | Big Grove | 84 North | 11 West |
| Mackie, R. | 28 | 80 | Cedar | 86 North | 11 West |
| Mackie, R. | 29 | 40 | Cedar | 86 North | 11 West |
| Madden, J. M. | 2 | 40 | Monroe | 85 North | 12 West |
| Magill, J. | 28 | 20 | Benton | 85 North | 9 West |
| Magill, J. | 29 | 40 | Benton | 85 North | 9 West |
| Magoon, N.L. | 5 | 80 | Kane | 83 North | 12 West |
| Maguire, J. | 8 | 40 | Union | 83 North | 11 West |
| Maguire, J. | 17 | 80 | Union | 83 North | 11 West |
| Mahaney, T. | 34 | 160 | Union | 83 North | 11 West |
| Maher, E. | 27 | 120 | Union | 83 North | 11 West |
| Mak?, S. | 3 | 80 | Big Grove | 84 North | 11 West |
| Mall, F. | 15 | 80 | Iowa | 82 North | 12 West |
| Mall, F. | 21 | 20 | Iowa | 82 North | 12 West |
| Mall, F. | 22 | 132 | Iowa | 82 North | 12 West |
| Mall, F. | 27 | 40 | Iowa | 82 North | 12 West |
| Mall, J. | 11 | 80 | Iowa | 82 North | 12 West |
| Mall, W. | 8 | 80, 40 | Iowa | 82 North | 12 West |
| Mall, W. | 17 | 40 | Iowa | 82 North | 12 West |
| Mallen, L.H. | 5 | 73.44 | Homer | 84 North | 12 West |
| Malon, H.A. | 21 | 40 | Polk | 86 North | 9 West |
| Manatheka (town) | 26 | Polk | 86 North | 9 West | |
| Manatheka (town) | 35 | Polk | 86 North | 9 West | |
| Mandrid, D. | 21 | 120 | Monroe | 85 North | 12 West |
| Mann, G.W. | 21 | 40 | Harrison | 86 North | 10 West |
| Manning, W. | 9 | 8 | Harrison | 86 North | 10 West |
| Mansfield, E.L. | 17 | 160 | Polk | 86 North | 9 West |
| Manson, M. | 30 | 80 | Fremont | 83 North | 9 West |
| Manville, G. | 29 | 148 | Florence | 82 North | 9 West |
| Manwell, C. | 5 | 80 | Cedar | 86 North | 11 West |
| Manz, C. | 35 | 80 | Monroe | 85 North | 12 West |
| Manz, J. | 35 | 80 | Monroe | 85 North | 12 West |
| Maples | 2 | Taylor | 85 North | 10 West | |
| Marine, W.F. | 3 | 10 | Big Grove | 84 North | 11 West |
| Marine, W.T. | 6 | 80 | Big Grove | 84 North | 11 West |
| Marine, W.T. | 7 | 160 | Big Grove | 84 North | 11 West |
| Markham, C. | 3 | 40 | Eden | 84 North | 10 West |
| Markham, W. | 3 | 40 | Eden | 84 North | 10 West |
| Markley, F. | 16 | 60 | Big Grove | 84 North | 11 West |
| Marquardt, W. | 30 | 140.42 | Eldorado | 83 North | 10 West |
| Marquis, J. | 9 | 80 | Cedar | 86 North | 11 West |
| Marquis, J. | 10 | 40 | Cedar | 86 North | 11 West |
| Marr, A.C. | 31 | 110 | Jackson | 85 North | 11 West |
| Marr, E. | 36 | 80 | Monroe | 85 North | 12 West |
| Marr, W. | 30 | 80.12 | Jackson | 85 North | 11 West |
| Mars, W.M. | 4 | 111 | Jackson | 85 North | 11 West |
| Marsh, E. | 25 | 83 | Harrison | 86 North | 10 West |
| Marsh, J. | 9 | 8 | Taylor | 85 North | 10 West |
| Marsh, L. | 31 | 40 | Kane | 83 North | 12 West |
| Marsh, L. | 6 | 143.5 | Iowa | 82 North | 12 West |
| Marsh, W. | 22 | 40 | Jackson | 85 North | 11 West |
| Marsh, W. | 27 | 40 | Jackson | 85 North | 11 West |
| Marshall, G.&W. | 23 | 160 | Homer | 84 North | 12 West |
| Martin, A.M. | 2 | 108 | Eden | 84 North | 10 West |
| Martin, A.W. | 35 | 80 | Taylor | 85 North | 10 West |
| Martin, D. M. | 3 | 160.86 | Monroe | 85 North | 12 West |
| Martin, D.E. | 23 | 14 | Taylor | 85 North | 10 West |
| Martin, D.E. | 25 | 40, 80 | Taylor | 85 North | 10 West |
| Martin, D.E. | 10 | 160 | Eden | 84 North | 10 West |
| Martin, D.E. | 30 | 25 | Benton | 85 North | 9 West |
| Martin, J. | 3 | 80 | Florence | 82 North | 9 West |
| Martin, J.A. | 9 | 29 | Harrison | 86 North | 10 West |
| Martin, J.A. | 13 | 20 | Harrison | 86 North | 10 West |
| Martin, R.L. | 35 | 80 | Taylor | 85 North | 10 West |
| Martin, R.L. | 10 | 160 | Eden | 84 North | 10 West |
| Martin, W.W. | 13 | 160 | Eden | 84 North | 10 West |
| Mason, G. | 9 | Harrison | 86 North | 10 West | |
| Mason, W. | 21 | 200 | Monroe | 85 North | 12 West |
| Mathews, J.H. | 9 | 80 | Eden | 84 North | 10 West |
| Matter, C.C. | 16 | 40 | St. Clair | 82 North | 10 West |
| Matter, E. | 16 | 40 | St. Clair | 82 North | 10 West |
| Matter, E. | 17 | St. Clair | 82 North | 10 West | |
| Matter, E. | 21 | 40 | St. Clair | 82 North | 10 West |
| Mauk, G.A. | 34 | 40 | Eldorado | 83 North | 10 West |
| Maunch, H. | 35 | 40 | Kane | 83 North | 12 West |
| Maxfield, E. M. | 19 | 72.34 | Cedar | 86 North | 11 West |
| Maxon, S. | 21 | 115 | Canton | 84 North | 9 West |
| Maxon, T. | 29 | 80 | Canton | 84 North | 9 West |
| Maxwell, A.H. | 35 | 80 | Florence | 82 North | 9 West |
| May, A.G. | 34 | 80 | Eldorado | 83 North | 10 West |
| May, F.F. | 34 | 40 | Eldorado | 83 North | 10 West |
| May, J. | 27 | 40 | Polk | 86 North | 9 West |
| May, J. | 35 | 10 | Polk | 86 North | 9 West |
| Mayer, E. | 20 | 120 | Eldorado | 83 North | 10 West |
| Mayhew, H. | 10 | 100 | St. Clair | 82 North | 10 West |
| Mayhew, O. | 10 | 60 | St. Clair | 82 North | 10 West |
| Mays, W. P. | 24 | 160 | Bruce | 86 North | 12 West |
| Maysville (Marysville) town | 34 | Polk | 86 North | 9 West | |
| Mc Cartney, J. | 2 | 120 | Kane | 83 North | 12 West |
| McAdair, J. | 8 | 80 | Bruce | 86 North | 12 West |
| McAdaw, J. | 30 | 260 | Florence | 82 North | 9 West |
| McArtney, J. | 4 | 80 | Bruce | 86 North | 12 West |
| McBride, A.S. | 25 | 120 | Eldorado | 83 North | 10 West |
| McBride, W. | 9 | 160 | Jackson | 85 North | 11 West |
| McBrown, J. | 25 | 25 | Benton | 85 North | 9 West |
| McCall, E. | 23 | 40 | Bruce | 86 North | 12 West |
| McCanalas, T. | 5 | 80 | Iowa | 82 North | 12 West |
| McCanals, T. | 6 | 40 | Iowa | 82 North | 12 West |
| McCannon & Swan | 14 | 40 | Polk | 86 North | 9 West |
| McCarney, J. | 34 | 40 | Monroe | 85 North | 12 West |
| McCartney & Shane | 12 | 80 | Bruce | 86 North | 12 West |
| McCartney, J. | 11 | 40 | Bruce | 86 North | 12 West |
| McCartney, J. | 29 | 80 | Monroe | 85 North | 12 West |
| McCartney, J. | 36 | 80 | Monroe | 85 North | 12 West |
| McCartney, J. | 29 | 80 | Iowa | 82 North | 12 West |
| McCartney, J. | 32 | 80, 80 | Iowa | 82 North | 12 West |
| McCartney, J. | 33 | 280 | Iowa | 82 North | 12 West |
| McCartney, J. | 34 | 160 | Iowa | 82 North | 12 West |
| McCartney, J. | 14 | 160 | Jackson | 85 North | 11 West |
| McCartney, J. | 15 | 160 | Jackson | 85 North | 11 West |
| McCartney, J. | 17 | 40 | Jackson | 85 North | 11 West |
| McCartney, J. | 8 | 10 | Taylor | 85 North | 10 West |
| McCartney, J. | 25 | 80 | Taylor | 85 North | 10 West |
| McCartney, J. | 30 | 160 | Taylor | 85 North | 10 West |
| McCartney, J. | 31 | 80 | Taylor | 85 North | 10 West |
| McCartney, J. | 13 | Benton | 85 North | 9 West | |
| McCartney, J. | 16 | 32.5 | Benton | 85 North | 9 West |
| McCartney, O | 15 | 25 | Harrison | 86 North | 10 West |
| McCartny, J. | 15 | 35 | Taylor | 85 North | 10 West |
| McCarty, | 22 | 160 | Cedar | 86 North | 11 West |
| McCarty, J. | 1 | 80 | Union | 83 North | 11 West |
| McCarty, M. | 1 | 85.62 | Union | 83 North | 11 West |
| McCaslin, A. | 36 | 80 | Kane | 83 North | 12 West |
| McCaslin, J.W. | 14 | Taylor | 85 North | 10 West | |
| McCaslin, J.W. | 15 | 30 | Taylor | 85 North | 10 West |
| McCastin, A. | 21 | 80 | Eldorado | 83 North | 10 West |
| McCatney, J. | 15 | 40 | Benton | 85 North | 9 West |
| McClane, R. | 26 | 80 | Big Grove | 84 North | 11 West |
| McClane, R. | 35 | 160 | Big Grove | 84 North | 11 West |
| McClang, R. | 23 | 80 | Eden | 84 North | 10 West |
| McClellan & Campbell | 28 | 40 | Leroy | 82 North | 11West |
| McClellan, S.& Campbell | 21 | 40 | Leroy | 82 North | 11West |
| McClelland & Kimball | 28 | 54, 14 | St. Clair | 82 North | 10 West |
| McClelland, W. | 1 | 80 | Homer | 84 North | 12 West |
| McClelland, W. | 3 | 153.17 | Homer | 84 North | 12 West |
| McCorkle, G.C. | 24 | 40 | Benton | 85 North | 9 West |
| McCormick, J. | 22 | 40 | Union | 83 North | 11 West |
| McCormick, J. | 23 | 100 | Union | 83 North | 11 West |
| McCormick, J. | 18 | 152.45 | Canton | 84 North | 9 West |
| McCoy, H.H. | 23 | 80 | Monroe | 85 North | 12 West |
| McCoy, J.F. | 24 | 80 | Benton | 85 North | 9 West |
| McCoy, W.W. | 13 | 145 | Cedar | 86 North | 11 West |
| McCune, J.V. | 23 | 69 | Iowa | 82 North | 12 West |
| McCune, J.V. | 26 | 160 | Iowa | 82 North | 12 West |
| McCune, W.H. | 24 | 80 | Union | 83 North | 11 West |
| McDaniel, J. | 4 | 180 | Big Grove | 84 North | 11 West |
| McDaniel, J.A. | 36 | 80 | Jackson | 85 North | 11 West |
| McDaniel, J.A. | 1 | 122.23 | Big Grove | 84 North | 11 West |
| McDaniel, J.A. | 4 | 80 | Florence | 82 North | 9 West |
| McDaniel, S.A. | 3 | 159.04 | St. Clair | 82 North | 10 West |
| McDaniels, J.A. | 23 | 80 | Kane | 83 North | 12 West |
| McElhaney, S.A. | 20 | Harrison | 86 North | 10 West | |
| McElhaney, S.A. | 26 | 120 | Harrison | 86 North | 10 West |
| McElroy, M. | 26 | 40 | Leroy | 82 North | 11West |
| McFarlan, Mrs. | 2 | 40 | Florence | 82 North | 9 West |
| McGarnahan, S. | 26 | 40 | Benton | 85 North | 9 West |
| McGaw, H.B. | 22 | 80 | Fremont | 83 North | 9 West |
| McGown, A. | 21 | 80 | Union | 83 North | 11 West |
| McGranahan, J. | 13 | 80 | Eldorado | 83 North | 10 West |
| McGranahan, S. | 14 | 320 | Eldorado | 83 North | 10 West |
| McGranahan, S. | 23 | 40 | Eldorado | 83 North | 10 West |
| McGregor, A. | 26 | 160 | Fremont | 83 North | 9 West |
| McGregor, A. | 35 | 200 | Fremont | 83 North | 9 West |
| McGregor, J. | 2 | 130.6 | Florence | 82 North | 9 West |
| McGregor, T. | 35 | 120 | Fremont | 83 North | 9 West |
| McGuire | 16 | 40 | Union | 83 North | 11 West |
| McGuire, D.T. | 28 | 40 | Cedar | 86 North | 11 West |
| McGuire, E. | 1 | Taylor | 85 North | 10 West | |
| McGuire, J.W. | 24 | 80 | Harrison | 86 North | 10 West |
| McGuire, J.W. | 1 | Taylor | 85 North | 10 West | |
| McGully, J. | 21 | 80 | Polk | 86 North | 9 West |
| McGurtre, J.W. | 19 | 20 | Benton | 85 North | 9 West |
| McIchert, F. | 28 | 80 | Homer | 84 North | 12 West |
| McIntosh, K. | 22 | 40 | Homer | 84 North | 12 West |
| McKee & Smith | 1 | 120.89 | Polk | 86 North | 9 West |
| McKee & Smith | 35 | 24 | Polk | 86 North | 9 West |
| McKeenen | 23 | 240 | Union | 83 North | 11 West |
| McKeenen | 24 | 80 | Union | 83 North | 11 West |
| McKendrick, M. | 25 | 120 | Bruce | 86 North | 12 West |
| McKenna, C. | 21 | 160 | Union | 83 North | 11 West |
| McKenna, J. | 20 | 160 | Union | 83 North | 11 West |
| McKenna, M. | 20 | 160 | Union | 83 North | 11 West |
| McKennon, W. | 11 | 160 | St. Clair | 82 North | 10 West |
| McKethine, P. | 35 | 80 | Fremont | 83 North | 9 West |
| McKinley, A. | 2 | 80 | Monroe | 85 North | 12 West |
| McKinnon, W. | 18 | 120 | Florence | 82 North | 9 West |
| McKinzie, R. | 4 | 80 | Kane | 83 North | 12 West |
| McKinzie, R. | 5 | 40 | Kane | 83 North | 12 West |
| McLaren, A. | 2 | 120 | Florence | 82 North | 9 West |
| McLaren, R. | 3 | 38.53 | Jackson | 85 North | 11 West |
| McLaughlin, T. | 36 | 40 | Cedar | 86 North | 11 West |
| McLaughlin, T. | 36 | 80 | Cedar | 86 North | 11 West |
| McLaughlin, T.J. | 31 | Harrison | 86 North | 10 West | |
| McLaughlin, T.J. Sr. | 36 | 40 | Cedar | 86 North | 11 West |
| McManus, J. | 25 | 40 | Benton | 85 North | 9 West |
| McMillan, J.F. | 26 | 160 | Harrison | 86 North | 10 West |
| McMillen, J.C. | 33 | 80 | Kane | 83 North | 12 West |
| McNeal, A. Est. | 17 | 160 | Big Grove | 84 North | 11 West |
| McNeal, S. | 16 | 80 | Polk | 86 North | 9 West |
| McNee, W. | 24 | 160,160 | St. Clair | 82 North | 10 West |
| McNee, W. | 19 | 172 | Florence | 82 North | 9 West |
| McNee, W. | 30 | 20 | Florence | 82 North | 9 West |
| McNie, D. | 16 | 25, 20 | Harrison | 86 North | 10 West |
| McNie, D. | 22 | 40 | Harrison | 86 North | 10 West |
| McNie, D. | 26 | 160 | Harrison | 86 North | 10 West |
| McNie, D. | 27 | 80 | Harrison | 86 North | 10 West |
| McQuilken, R. R. | 8 | 80 | Bruce | 86 North | 12 West |
| McQuilkin, R. R. | 18 | na | Bruce | 86 North | 12 West |
| McQuilkin, S. | 8 | 40 | Bruce | 86 North | 12 West |
| McQuilkin, S. | 9 | 80, 20 | Bruce | 86 North | 12 West |
| McQuinn, J. | 20 | 40 | Florence | 82 North | 9 West |
| McReynolds, P. | 34 | 140 | Cedar | 86 North | 11 West |
| McWett, J. | 20 | 80 | Big Grove | 84 North | 11 West |
| McWhorter | 32 | 100 | Benton | 85 North | 9 West |
| McWhorter, E.T.& J.T. | 5 | 41.63 | Canton | 84 North | 9 West |
| McWilley | 17 | 20 | Benton | 85 North | 9 West |
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