| Name | Line | Page | District | Soundex
| Mackas, Sam | 41 | 20A | 72 | M220
| | Mackis, Sam | 37 | 20A | 72 | M220
| | Madsen, Annie | 21 | 4A | 71 | M325
| | Madsen, Arson | 14 | 4A | 66 | M325
| | Madsen, Chris | 87 | 1B | 68 | M325
| | Madsen, Gamey | 15 | 3A | 71 | M325
| | Madsen, J. H. | 46 | 8A | 70 | M325
| | Magarrell, Anna | 3 | 8A | 71 | M264
| | Magarrell, George | 2 | 8A | 71 | M264
| | Magarrell, Joseph | 1 | 8A | 71 | M264
| | Maginness, Alaexander | 13 | 8A | 68 | M252
| | Magnusen, Adolph W. | 51 | 8B | 66 | M252
| | Magnusen, Eva | 69 | 9B | 66 | M252
| | Magnusen, George | 52 | 8B | 66 | M252
| | Magnusen, Willis J. | 70 | 9B | 66 | M252
| | Magnuson, Charly | 13 | 7A | 66 | M252
| | Mahan, John | 60 | 2B | 73 | M500
| | Majors, Johnson H. | 39 | 10A | 72 | M262
| | Majors, V. Oscar | 98 | 9B | 72 | M262
| | Makas, John | 40 | 20A | 72 | M220
| | Manchester, Amos | 19 | 18A | 72 | M522
| | Manchester, Roy | 79 | 17B | 72 | M522
| | Mandola, James | 72 | 2B | 73 | M534
| | Mangum, Ammon | 16 | 2A | 72 | M525
| | Mangum, Darwin | 23 | 10A | 72 | M525
| | Mangum, Edward | 14 | 4A | 72 | M525
| | Mangum, Mantell | 3 | 7A | 72 | M525
| | Maragajia, Don | 28 | 22A | 72 | M622
| | Marsco, James | 67 | 2B | 71 | M620
| | Marsh, John | 11 | 6A | 71 | M620
| | Marshall, Adelbert | 59 | 14B | 72 | M624
| | Marshall, Arley | 59 | 9B | 72 | M624
| | Marshall, James Ira | 1 | 5A | 72 | M624
| | Marshall, John | 29 | 11A | 72 | M624
| | Marshall, Lewis | 83 | 17B | 72 | M624
| | Marshall, Marion | 61 | 9B | 72 | M624
| | Marshall, William | 37 | 12A | 72 | M624
| | Martin, Charles | 22 | 9A | 71 | M635
| | Martin, J. L. | 15 | 10A | 71 | M635
| | Martin, John S. | 29 | 5A | 71 | M635
| | Martinez, Castilla | 94 | 6B | 71 | M635
| | Martinez, E. | 91 | 6B | 71 | M635
| | Matacawra, H. | 91 | 21B | 72 | M326
| | Matacumoto, K. | 71 | 21B | 72 | M325
| | Mathie, Delphia | 69 | 3B | 66 | M300
| | Mathie, Lauretta | 72 | 12B | 72 | M300
| | Mathie, Robert | 65 | 13B | 72 | M300
| | Mathie, Wm. T. | 66 | 8B | 72 | M300
| | Matono, T. | 75 | 21B | 72 | M350
| | Matts, Joe | 21 | 21A | 72 | M320
| | Mavragianis, Lewis | 72 | 22B | 72 | M162
| | Maxfield, Henry D. | 22 | 8A | 69 | M214
| | Maxfield, John A. | 37 | 6A | 69 | M214
| | May, Albert J. | 54 | 2B | 73 | M000
| | Mayn, J. A. | 39 | 10A | 71 | M500
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