| Name | aka | Name source info. |
| MCCLAUGHERTY, Sarah Melinda | | Harry George Zavisch and Lena McClaugherty Zavisch, page 525. |
| MCCLAUGHERTY, Thomas | Tom MCCLAUGHERTY | Harry George Zavisch and Lena McClaugherty Zavisch, page 525. |
| MCCLAUGHERTY, William Henry | | Harry George Zavisch and Lena McClaugherty Zavisch, page 525. |
| MCCLAUHERTY, James | | Harry George Zavisch and Lena McClaugherty Zavisch, page 525. |
| MCCOY, Clifford | | Record of Green and Mariah Holland, page 38. |
| MCCOY, Denis | | Record of Green and Mariah Holland, page 38. |
| MCCOY, Don | | Record of Green and Mariah Holland, page 38. |
| MCCOY, Don | | Record of Green and Mariah Holland, page 38. |
| MCCOY, Janice | | Record of Green and Mariah Holland, page 38. |
| MCCOY, John Thomas | | Record of Green and Mariah Holland, page 38. |
| MCCRACKEN, Lovey Helene | | Family History of Warren & Maggie Wheeler, page 42. |
| MCCRAY, Henry | | Elisha Whitley, page 27. |
| MCCRAY, Mary E. | | Elisha Whitley, page 27. |
| MCCREARY, Brian Herod | | John Swanson Yarbrough, page 439. |
| MCCREARY, Jenifer | | John Swanson Yarbrough, page 439. |
| MCCREARY, Richard Duerr | | John Swanson Yarbrough, page 439. |
| MCCULLA, Pat | | Mills Whitley, page 32. |
| MCDANIEL, D. H. | | Doctors of Tilden and McMullen County, page 540. |
| MCDONALD, Marie | | Robuck, page 316. |
| MCDONALD, Nina Alice | | Alfred L. Yarbrough, page 459. |
| MCGLOIN, Ethel Katherin | | Teal Family Introduction, page 164. |
| MCGREW, Isabelle | | J. A. (Jim) Nichols, page 75. |
| MCGUFFEY, Mr. | | The Oil Story, page 234. |
| MCKEAN, A. J. | | Felix Houston (Jabbie) Burris and Vivian Eckols Burris McKean, page 152. |
| MCKENZIE, Mary Ann | | Walkers of McMullen County, Texas, page 120. |
| MCKINNEY, Elizabeth | Lizzie MCKINNEY | (1) Alexander Murphy and Elizabeth McKinney, page 464. (2) William Patrick Mulholland and Alice Murphy, page 465. |
| MCKINNEY, Sarah Ann | | Calliham, Texas 78007, page 230. |
| MCKINNEY, William Clement | | (1) Alexander Murphy and Elizabeth McKinney, page 464. (2) William Patrick Mulholland and Alice Murphy, page 465. |
| MCMURRAY, Nugent | | Record of Green and Mariah Holland, page 38. |
| MCNEIL, J. R. | Bobby MCNEIL | Walter Dow Coffman, page 33. |
| MCPHAIL, Effie Lee | | History of William Ransom Wheeler Family, page 92. |
| MCPHAIL, Fritz | | Mr. and Mrs. Thomas H. Morgan, page 506. |
| MCRAE, Willis | | Dr. Walter Stischer (1883-1963), page 113. |
| MCROLAN, Chlo | | My Story, page 162. |
| MCTEE, Charles Dewey | | (1) Family History of Warren & Maggie Wheeler, page 42. (2) Dewey and Marie Wheeler, page 429. |
| MCTEE, Clifford Ray | | (1) Family History of Warren & Maggie Wheeler, page 42. (2) Dewey and Marie Wheeler, page 429. |
| MCTEE, Clifford Ray | Ford MCTEE | (1) Family History of Warren & Maggie Wheeler, page 42. (2) Dewey and Marie Wheeler, page 429. |
| MCTEE, Shelly Marie | | (1) Family History of Warren & Maggie Wheeler, page 42. (2) Dewey and Marie Wheeler, page 429. |
| MEDOWS, Cecil | | Mills Whitley, page 32. |
| MEEKS, Annie | | Mills Whitley, page 32. |
| MEEKS, Ebroll | | Mills Whitley, page 32. |
| MEEKS, Everett | | Mills Whitley, page 32. |
| MEEKS, Lowell | | Mills Whitley, page 32. |
| MEEKS, Thurman | | Mills Whitley, page 32. |
| MEEKS, Zelman | | Mills Whitley, page 32. |
| MENEFEE, John | | Francis Allen Franklin and Katherine Mulholland, page 473. |
| MERCER, W. Adrian | | Drury William Kay, page 35. |
| MERRITT, Beeky | | Mills Whitley, page 32. |
| MERRITT, Len | | Mills Whitley, page 32. |
| MERRITT, Nicki | | Mills Whitley, page 32. |