| Name | Line | Page | District | Soundex
| Mabey, Charles | 85 | 18B | 50 | M100
| | Mabey, David | 59 | 16B | 50 | M100
| | Mabey, Joseph L. | 63 | 13B | 51 | M100
| | Mabey, Joseph T. | 10 | 1A | 49 | M100
| | Mabey, Orson H. | 43 | 13A | 49 | M100
| | Mabey, Ruby | 34 | 16A | 50 | M100
| | Machinsky, John E. | 50 | 4A | 55 | M252
| | Madsen, Earnest | 51 | 5B | 50 | M325
| | Major, Bert A. A. | 11 | 15A | 55 | M260
| | Major, Donnald H. | 18 | 8A | 49 | M260
| | Major, Frank R. | 89 | 7B | 55 | M260
| | Malan, Clarence H. | 25 | 15A | 52 | M450
| | Malcolm, Alexander | 43 | 10A | 50 | M424
| | Malin, Julia | 47 | 7A | 50 | M450
| | Man, Frank | 30 | 19A | 50 | M500
| | Manes, Bill | 81 | 13B | 55 | M520
| | Manes, Nick | 82 | 13B | 55 | M520
| | Manes, Peter | 83 | 13B | 55 | M520
| | Manfull, Eliza E. | 15 | 3A | 53 | M514
| | Manfull, Raymond | 55 | 4B | 53 | M514
| | Mangrum, Edwin C. | 11 | 6A | 56 | M526
| | Mann, George B. | 39 | 2A | 56 | M500
| | Mann, Harriett | 72 | 16B | 50 | M500
| | Mann, Mattie | 14 | 12A | 50 | M500
| | Mann, Moroni B. | 21 | 6A | 56 | M500
| | Mann, Moroni H. | 37 | 1A | 56 | M500
| | Mann, Orvis | 22 | 1A | 49 | M500
| | Mann, William C. | 37 | 1A | 49 | M500
| | Manning, Charles E. | 5 | 13A | 52 | M552
| | Manning, Charles E. | 43 | 14A | 54 | M552
| | Manning, Eli | 22 | 13A | 53 | M552
| | Manning, Floyd K. | 91 | 6B | 52 | M552
| | Manning, George C. | 1 | 2A | 53 | M552
| | Manning, George H. | 15 | 6A | 53 | M552
| | Manning, Henry W. | 58 | 4B | 51 | M552
| | Manning, James E. | 18 | 13A | 53 | M552
| | Manning, John C. | 36 | 13A | 53 | M552
| | Manning, Sarah A. | 9 | 13A | 52 | M552
| | Mannos, Jim | 32 | 12A | 49 | M520
| | Mansell, Henry S. J. | 67 | 3B | 54 | M524
| | Mansell, Wm. W. | 61 | 3B | 54 | M524
| | Manwaring, Levi | 66 | 11B | 53 | M565
| | Margaretta, Isabell | 73 | 11B | 49 | M626
| | Mariln, William | 64 | 4B | 52 | M645
| | Marsh, Don | 70 | 4B | 54 | M620
| | Marshall, James | 65 | 19B | 50 | M624
| | Marston, Carl L. | 66 | 14B | 55 | M623
| | Marston, Moroni | 83 | 10B | 54 | M623
| | Martin, Archie H. | 63 | 4B | 52 | M635
| | Martin, John | 67 | 2B | 54 | M635
| | Martin, Mattie A. H. | 72 | 2B | 54 | M635
| | Marton, Bert | 8 | 3A | 49 | M635
| | Marton, Sterling | 22 | 6A | 54 | M635
| | Mason, Andrew W. | 13 | 2A | 52 | M250
| | Mason, Lavon | 21 | 5A | 54 | M250
| | Massengale, Granville | 100 | 10B | 51 | M252
| | Massengale, John | 2 | 10A | 51 | M252
| | Mastores, Pedro | 95 | 14B | 55 | M236
| | Mathison, Jack L. | 60 | 21B | 50 | M325
| | Mathison, James | 46 | 1A | 50 | M325
| | Matsuda, Jiro | 1 | 14A | 51 | M323
| | Matsui, Senzaburo | 80 | 3B | 51 | M320
| | Matsumoto, Masakazi | 7 | 2A | 51 | M325
| | Matsumoto, Tomotsu | 3 | 2A | 51 | M325
| | Matthei, Lidea | 63 | 13B | 56 | M300
| | Mauss, Ralph | 74 | 2B | 49 | M200
| | Mauss, Victor | 26 | 15A | 50 | M200
| | Mavros, Nick | 8 | 7A | 55 | M162
| | Mavros, Tonie | 9 | 7A | 55 | M162
| | Mayar, William D. | 59 | 2B | 54 | M600
| | Mayars, Robert B. | 73 | 2B | 54 | M620
| | Mayfield, Clarence | 84 | 6B | 53 | M143
| | Mayfield, Harold | 22 | 4A | 53 | M143
| | Mayfield, Leo T. | 19 | 4A | 53 | M143
| | Mayfield, Leroy | 97 | 3B | 53 | M143
| | Mayfield, Vernon H. | 98 | 3B | 53 | M143
| | Mayfield, William | 16 | 4A | 53 | M143
| | Maylin, Hyrum | 100 | 1B | 54 | M450
| | Maylin, Joseph H. | 24 | 1A | 54 | M450
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